Finding the Fourth Proportional to 61.47, 92.28 and 59.99
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Solution
The fourth proportional to 61.47, 92.28 and 59.99 is: 90.05
Step by Step Solution
- Step 1: Write the proportion equation
61.47 : 92.28 = 59.99 : x - Step 2: Convert to fraction form
61.47/92.28 = 59.99/x - Step 3: Cross multiply
61.47x = 92.28 × 59.99 - Step 4: Simplify right side
61.47x = 5,535.50 - Step 5: Solve for x
x = 5,535.50/61.47 - Step 6: Final answer
x = 90.05
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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.