Finding the Fourth Proportional to 438.74, 658.11 and 182.26
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Solution
The fourth proportional to 438.74, 658.11 and 182.26 is: 273.39
Step by Step Solution
- Step 1: Write the proportion equation
438.74 : 658.11 = 182.26 : x - Step 2: Convert to fraction form
438.74/658.11 = 182.26/x - Step 3: Cross multiply
438.74x = 658.11 × 182.26 - Step 4: Simplify right side
438.74x = 119,947.13 - Step 5: Solve for x
x = 119,947.13/438.74 - Step 6: Final answer
x = 273.39
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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.