Finding the Fourth Proportional to 58.36, 87.66 and 51.52
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Solution
The fourth proportional to 58.36, 87.66 and 51.52 is: 77.39
Step by Step Solution
- Step 1: Write the proportion equation
58.36 : 87.66 = 51.52 : x - Step 2: Convert to fraction form
58.36/87.66 = 51.52/x - Step 3: Cross multiply
58.36x = 87.66 × 51.52 - Step 4: Simplify right side
58.36x = 4,516.24 - Step 5: Solve for x
x = 4,516.24/58.36 - Step 6: Final answer
x = 77.39
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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.