English

Find the Mean Proportional Between 16 and 4 - Mathematics

Advertisements
Advertisements

Question

Find the mean proportional between 16 and 4

Sum

Solution

Mean proportional between 16 and 4

`sqrt(16 xx 4) = sqrt64 = 8`

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Ratio and Proportion (Including Sharing in a Ratio) - Exercise 6 (B)

APPEARS IN

Selina Concise Mathematics [English] Class 7 ICSE
Chapter 6 Ratio and Proportion (Including Sharing in a Ratio)
Exercise 6 (B) | Q 4.1

RELATED QUESTIONS

Find the sub-triplicate ratio of 216 : 343


Convert the following percentage to fractions and ratio:
0.25%


Find the ratio of the following in the simplest fcrm: 

5.60 and 2.40 


If a,b,c are in continued proportion,
show that: `("a"^2 + "b"^2)/("b"("a" + "c")` = `("b"("a" + "c"))/("b"^2 + "c"^2)`


Find the compound ratio of the following:
If A : B = 4 : 5, B : C = 6 : 7 and C : D = 14 : 15. Find A : D.


Find: The sub-triplicate ratio of 216: 343


The ages of two boys A and B are 6 years 8 months and 7 years 4 months respectively. Divide Rs. 3,150 in the ratio of their ages.


Check whether the following quantities form a proportion or not?

0.4, 0.5, 2.9 and 3.5 


Reduce the following ratio to their lowest term:

2 m 40 cm : 1 m 44 cm


Mr. Gupta divides Rs 81000 among his three children Ashok, Mohit, and Geeta in such a way that Ashok gets four times what Mohit gets and Mohit gets 2.5 times what Geeta gets. Find the share of each of them.


If 4, x and 9 are in continued proportion, find the value of x.


In the example below, find the proportion of the first number to the second.

24, 56


Find the duplicate ratio of 2 : 3


Express the following ratio in the simplest form:
186 : 403


Fill in the place holder:

\[\frac{24}{40} = \frac{}{5} = \frac{12}{}\]

Find the ratio of:

2 dozens to a score


Divide Rs 1400 among A. B and C in the ratio 2 : 3 : 5.


The ratio of the number of sides of a square to the number of edges of a cube is ______.


Ratio of 5 paise to 25 paise is the same as the ratio of 20 paise to ______.


The earth rotates 360° about its axis in about 24 hours. By how much degree will it rotate in 2 hours?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×