Finding the Fourth Proportional to 58.26, 87.21 and 49.62
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Solution
The fourth proportional to 58.26, 87.21 and 49.62 is: 74.28
Step by Step Solution
- Step 1: Write the proportion equation
58.26 : 87.21 = 49.62 : x - Step 2: Convert to fraction form
58.26/87.21 = 49.62/x - Step 3: Cross multiply
58.26x = 87.21 × 49.62 - Step 4: Simplify right side
58.26x = 4,327.36 - Step 5: Solve for x
x = 4,327.36/58.26 - Step 6: Final answer
x = 74.28
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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.