Finding the Fourth Proportional to 327.96, 491.99 and 173.84
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Solution
The fourth proportional to 327.96, 491.99 and 173.84 is: 260.78
Step by Step Solution
- Step 1: Write the proportion equation
327.96 : 491.99 = 173.84 : x - Step 2: Convert to fraction form
327.96/491.99 = 173.84/x - Step 3: Cross multiply
327.96x = 491.99 × 173.84 - Step 4: Simplify right side
327.96x = 85,524.21 - Step 5: Solve for x
x = 85,524.21/327.96 - Step 6: Final answer
x = 260.78
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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.