Finding the Fourth Proportional to 366.87, 550.11 and 135.75
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Solution
The fourth proportional to 366.87, 550.11 and 135.75 is: 203.55
Step by Step Solution
- Step 1: Write the proportion equation
366.87 : 550.11 = 135.75 : x - Step 2: Convert to fraction form
366.87/550.11 = 135.75/x - Step 3: Cross multiply
366.87x = 550.11 × 135.75 - Step 4: Simplify right side
366.87x = 74,677.43 - Step 5: Solve for x
x = 74,677.43/366.87 - Step 6: Final answer
x = 203.55
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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.