Finding the Fourth Proportional to 327.99, 491.97 and 132.99
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Solution
The fourth proportional to 327.99, 491.97 and 132.99 is: 199.48
Step by Step Solution
- Step 1: Write the proportion equation
327.99 : 491.97 = 132.99 : x - Step 2: Convert to fraction form
327.99/491.97 = 132.99/x - Step 3: Cross multiply
327.99x = 491.97 × 132.99 - Step 4: Simplify right side
327.99x = 65,425.74 - Step 5: Solve for x
x = 65,425.74/327.99 - Step 6: Final answer
x = 199.48
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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.