Finding the Fourth Proportional to 60.24, 89.94 and 58.08
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Solution
The fourth proportional to 60.24, 89.94 and 58.08 is: 86.72
Step by Step Solution
- Step 1: Write the proportion equation
60.24 : 89.94 = 58.08 : x - Step 2: Convert to fraction form
60.24/89.94 = 58.08/x - Step 3: Cross multiply
60.24x = 89.94 × 58.08 - Step 4: Simplify right side
60.24x = 5,223.72 - Step 5: Solve for x
x = 5,223.72/60.24 - Step 6: Final answer
x = 86.72
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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.