Finding the Fourth Proportional to 37.98, 57.18 and 34.08
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Solution
The fourth proportional to 37.98, 57.18 and 34.08 is: 51.31
Step by Step Solution
- Step 1: Write the proportion equation
37.98 : 57.18 = 34.08 : x - Step 2: Convert to fraction form
37.98/57.18 = 34.08/x - Step 3: Cross multiply
37.98x = 57.18 × 34.08 - Step 4: Simplify right side
37.98x = 1,948.69 - Step 5: Solve for x
x = 1,948.69/37.98 - Step 6: Final answer
x = 51.31
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.