Finding the Fourth Proportional to 38.98, 58.69 and 35.08
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Solution
The fourth proportional to 38.98, 58.69 and 35.08 is: 52.82
Step by Step Solution
- Step 1: Write the proportion equation
38.98 : 58.69 = 35.08 : x - Step 2: Convert to fraction form
38.98/58.69 = 35.08/x - Step 3: Cross multiply
38.98x = 58.69 × 35.08 - Step 4: Simplify right side
38.98x = 2,058.85 - Step 5: Solve for x
x = 2,058.85/38.98 - Step 6: Final answer
x = 52.82
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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.