Finding the Fourth Proportional to 42.14, 58.18 and 38.04
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Solution
The fourth proportional to 42.14, 58.18 and 38.04 is: 52.52
Step by Step Solution
- Step 1: Write the proportion equation
42.14 : 58.18 = 38.04 : x - Step 2: Convert to fraction form
42.14/58.18 = 38.04/x - Step 3: Cross multiply
42.14x = 58.18 × 38.04 - Step 4: Simplify right side
42.14x = 2,213.17 - Step 5: Solve for x
x = 2,213.17/42.14 - Step 6: Final answer
x = 52.52
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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.