Finding the Fourth Proportional to 58.19, 87.35 and 26.19
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Solution
The fourth proportional to 58.19, 87.35 and 26.19 is: 39.32
Step by Step Solution
- Step 1: Write the proportion equation
58.19 : 87.35 = 26.19 : x - Step 2: Convert to fraction form
58.19/87.35 = 26.19/x - Step 3: Cross multiply
58.19x = 87.35 × 26.19 - Step 4: Simplify right side
58.19x = 2,287.57 - Step 5: Solve for x
x = 2,287.57/58.19 - Step 6: Final answer
x = 39.32
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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.