Finding the Fourth Proportional to 61.08, 91.14 and 60.62
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Solution
The fourth proportional to 61.08, 91.14 and 60.62 is: 90.45
Step by Step Solution
- Step 1: Write the proportion equation
61.08 : 91.14 = 60.62 : x - Step 2: Convert to fraction form
61.08/91.14 = 60.62/x - Step 3: Cross multiply
61.08x = 91.14 × 60.62 - Step 4: Simplify right side
61.08x = 5,524.91 - Step 5: Solve for x
x = 5,524.91/61.08 - Step 6: Final answer
x = 90.45
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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.