Finding the Fourth Proportional to 61.97, 92.50 and 60.26
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Solution
The fourth proportional to 61.97, 92.50 and 60.26 is: 89.95
Step by Step Solution
- Step 1: Write the proportion equation
61.97 : 92.50 = 60.26 : x - Step 2: Convert to fraction form
61.97/92.50 = 60.26/x - Step 3: Cross multiply
61.97x = 92.50 × 60.26 - Step 4: Simplify right side
61.97x = 5,574.05 - Step 5: Solve for x
x = 5,574.05/61.97 - Step 6: Final answer
x = 89.95
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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.