Finding the Fourth Proportional to 549.99, 759.02 and 325.92
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Solution
The fourth proportional to 549.99, 759.02 and 325.92 is: 449.80
Step by Step Solution
- Step 1: Write the proportion equation
549.99 : 759.02 = 325.92 : x - Step 2: Convert to fraction form
549.99/759.02 = 325.92/x - Step 3: Cross multiply
549.99x = 759.02 × 325.92 - Step 4: Simplify right side
549.99x = 247,382.85 - Step 5: Solve for x
x = 247,382.85/549.99 - Step 6: Final answer
x = 449.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.