Finding the Fourth Proportional to 58.43, 87.66 and 24.21
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Solution
The fourth proportional to 58.43, 87.66 and 24.21 is: 36.32
Step by Step Solution
- Step 1: Write the proportion equation
58.43 : 87.66 = 24.21 : x - Step 2: Convert to fraction form
58.43/87.66 = 24.21/x - Step 3: Cross multiply
58.43x = 87.66 × 24.21 - Step 4: Simplify right side
58.43x = 2,122.25 - Step 5: Solve for x
x = 2,122.25/58.43 - Step 6: Final answer
x = 36.32
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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.