Finding the Fourth Proportional to 58.62, 87.72 and 44.99
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Solution
The fourth proportional to 58.62, 87.72 and 44.99 is: 67.32
Step by Step Solution
- Step 1: Write the proportion equation
58.62 : 87.72 = 44.99 : x - Step 2: Convert to fraction form
58.62/87.72 = 44.99/x - Step 3: Cross multiply
58.62x = 87.72 × 44.99 - Step 4: Simplify right side
58.62x = 3,946.08 - Step 5: Solve for x
x = 3,946.08/58.62 - Step 6: Final answer
x = 67.32
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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.