Finding the Fourth Proportional to 61.32, 92.00 and 49.98
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Solution
The fourth proportional to 61.32, 92.00 and 49.98 is: 74.99
Step by Step Solution
- Step 1: Write the proportion equation
61.32 : 92.00 = 49.98 : x - Step 2: Convert to fraction form
61.32/92.00 = 49.98/x - Step 3: Cross multiply
61.32x = 92.00 × 49.98 - Step 4: Simplify right side
61.32x = 4,598.28 - Step 5: Solve for x
x = 4,598.28/61.32 - Step 6: Final answer
x = 74.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.