Question

Find the mean proportional between. 0.4 and 0.9​

Answer 1

Answer:

0.6

Step-by-step explanation:

Let the mean proportion between 0.4 and 0.9 be=x

0.4:x::x:0.9

Product of means=Product of extremes

x²=0.4×0.9

x²=0.36

x=√0.36

x=0.6

I hope this will help you

Answer 2

Answer:

x=0.6

Step-by-step explanation:

Let the mean proportion between 0.4 and 0.9 be=x

0.4:x::x:0.9

Product of means=Product of extremes

x²=0.4×0.9

x²=0.36

x=√0.36

x=0.6