Question

6. Find the fourth proportional to the given numbers 12, 15 and 28.​

Answer 1

Step-by-step explanation:

answer :- The mean proportional of 4 and 25 is 10. The mean proportional of 4 and 25 is 10.Step-by-step explanation: ...

We know a=4 and c=25So we have :-

B² = ac.

:- B² = 4×25.

:- B² = 100.

:- B = √100.

:- B = 10.

so, value of B is 10.