Finding the Fourth Proportional to 366.93, 550.20 and 135.66
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Solution
The fourth proportional to 366.93, 550.20 and 135.66 is: 203.42
Step by Step Solution
- Step 1: Write the proportion equation
366.93 : 550.20 = 135.66 : x - Step 2: Convert to fraction form
366.93/550.20 = 135.66/x - Step 3: Cross multiply
366.93x = 550.20 × 135.66 - Step 4: Simplify right side
366.93x = 74,640.13 - Step 5: Solve for x
x = 74,640.13/366.93 - Step 6: Final answer
x = 203.42
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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.