Finding the Fourth Proportional to 16.16, 24.12 and 15.88
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Solution
The fourth proportional to 16.16, 24.12 and 15.88 is: 23.70
Step by Step Solution
- Step 1: Write the proportion equation
16.16 : 24.12 = 15.88 : x - Step 2: Convert to fraction form
16.16/24.12 = 15.88/x - Step 3: Cross multiply
16.16x = 24.12 × 15.88 - Step 4: Simplify right side
16.16x = 383.03 - Step 5: Solve for x
x = 383.03/16.16 - Step 6: Final answer
x = 23.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.