Finding the Fourth Proportional to 16.52, 24.91 and 15.91
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Solution
The fourth proportional to 16.52, 24.91 and 15.91 is: 23.99
Step by Step Solution
- Step 1: Write the proportion equation
16.52 : 24.91 = 15.91 : x - Step 2: Convert to fraction form
16.52/24.91 = 15.91/x - Step 3: Cross multiply
16.52x = 24.91 × 15.91 - Step 4: Simplify right side
16.52x = 396.22 - Step 5: Solve for x
x = 396.22/16.52 - Step 6: Final answer
x = 23.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.