Finding the Fourth Proportional to 58.92, 88.36 and 28.07
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Solution
The fourth proportional to 58.92, 88.36 and 28.07 is: 42.09
Step by Step Solution
- Step 1: Write the proportion equation
58.92 : 88.36 = 28.07 : x - Step 2: Convert to fraction form
58.92/88.36 = 28.07/x - Step 3: Cross multiply
58.92x = 88.36 × 28.07 - Step 4: Simplify right side
58.92x = 2,479.75 - Step 5: Solve for x
x = 2,479.75/58.92 - Step 6: Final answer
x = 42.09
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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.