Finding the Fourth Proportional to 60.17, 90.12 and 46.73
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Solution
The fourth proportional to 60.17, 90.12 and 46.73 is: 69.99
Step by Step Solution
- Step 1: Write the proportion equation
60.17 : 90.12 = 46.73 : x - Step 2: Convert to fraction form
60.17/90.12 = 46.73/x - Step 3: Cross multiply
60.17x = 90.12 × 46.73 - Step 4: Simplify right side
60.17x = 4,211.31 - Step 5: Solve for x
x = 4,211.31/60.17 - Step 6: Final answer
x = 69.99
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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.