Finding the Fourth Proportional to 366.20, 549.35 and 122.75
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Solution
The fourth proportional to 366.20, 549.35 and 122.75 is: 184.14
Step by Step Solution
- Step 1: Write the proportion equation
366.20 : 549.35 = 122.75 : x - Step 2: Convert to fraction form
366.20/549.35 = 122.75/x - Step 3: Cross multiply
366.20x = 549.35 × 122.75 - Step 4: Simplify right side
366.20x = 67,432.71 - Step 5: Solve for x
x = 67,432.71/366.20 - Step 6: Final answer
x = 184.14
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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.