Finding the Fourth Proportional to 60.47, 83.46 and 42.08
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Solution
The fourth proportional to 60.47, 83.46 and 42.08 is: 58.08
Step by Step Solution
- Step 1: Write the proportion equation
60.47 : 83.46 = 42.08 : x - Step 2: Convert to fraction form
60.47/83.46 = 42.08/x - Step 3: Cross multiply
60.47x = 83.46 × 42.08 - Step 4: Simplify right side
60.47x = 3,512.21 - Step 5: Solve for x
x = 3,512.21/60.47 - Step 6: Final answer
x = 58.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.