Finding the Fourth Proportional to 329.31, 494.52 and 247.05
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Solution
The fourth proportional to 329.31, 494.52 and 247.05 is: 370.99
Step by Step Solution
- Step 1: Write the proportion equation
329.31 : 494.52 = 247.05 : x - Step 2: Convert to fraction form
329.31/494.52 = 247.05/x - Step 3: Cross multiply
329.31x = 494.52 × 247.05 - Step 4: Simplify right side
329.31x = 122,171.17 - Step 5: Solve for x
x = 122,171.17/329.31 - Step 6: Final answer
x = 370.99
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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.