Finding the Fourth Proportional to 58.92, 87.84 and 58.44
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Solution
The fourth proportional to 58.92, 87.84 and 58.44 is: 87.12
Step by Step Solution
- Step 1: Write the proportion equation
58.92 : 87.84 = 58.44 : x - Step 2: Convert to fraction form
58.92/87.84 = 58.44/x - Step 3: Cross multiply
58.92x = 87.84 × 58.44 - Step 4: Simplify right side
58.92x = 5,133.37 - Step 5: Solve for x
x = 5,133.37/58.92 - Step 6: Final answer
x = 87.12
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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.