Finding the Fourth Proportional to 173.80, 260.70 and 92.68
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Solution
The fourth proportional to 173.80, 260.70 and 92.68 is: 139.02
Step by Step Solution
- Step 1: Write the proportion equation
173.80 : 260.70 = 92.68 : x - Step 2: Convert to fraction form
173.80/260.70 = 92.68/x - Step 3: Cross multiply
173.80x = 260.70 × 92.68 - Step 4: Simplify right side
173.80x = 24,161.68 - Step 5: Solve for x
x = 24,161.68/173.80 - Step 6: Final answer
x = 139.02
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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.