Finding the Fourth Proportional to 16.24, 24.33 and 15.82
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Solution
The fourth proportional to 16.24, 24.33 and 15.82 is: 23.70
Step by Step Solution
- Step 1: Write the proportion equation
16.24 : 24.33 = 15.82 : x - Step 2: Convert to fraction form
16.24/24.33 = 15.82/x - Step 3: Cross multiply
16.24x = 24.33 × 15.82 - Step 4: Simplify right side
16.24x = 384.90 - Step 5: Solve for x
x = 384.90/16.24 - Step 6: Final answer
x = 23.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.