Finding the Fourth Proportional to 58.11, 87.12 and 22.07
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Solution
The fourth proportional to 58.11, 87.12 and 22.07 is: 33.08
Step by Step Solution
- Step 1: Write the proportion equation
58.11 : 87.12 = 22.07 : x - Step 2: Convert to fraction form
58.11/87.12 = 22.07/x - Step 3: Cross multiply
58.11x = 87.12 × 22.07 - Step 4: Simplify right side
58.11x = 1,922.19 - Step 5: Solve for x
x = 1,922.19/58.11 - Step 6: Final answer
x = 33.08
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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.