1.

Find the mean proportional between 14 & 15 ?1). 14.152). 14.503). 14.254). 14.18

Answer»

 Let the REQUIRED NUMBER be X.

Let, x be the mean proportional

As we KNOW that, mean proportional = √a × b

Where a and b are OUTER elements of proportion

14 : X = X : 15

X2 = 14 × 15

X = 14.5

So, the mean proportional between 14 and 15 = 14.5 Ans.



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