Finding the Fourth Proportional to 366.18, 549.36 and 122.70
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Solution
The fourth proportional to 366.18, 549.36 and 122.70 is: 184.08
Step by Step Solution
- Step 1: Write the proportion equation
366.18 : 549.36 = 122.70 : x - Step 2: Convert to fraction form
366.18/549.36 = 122.70/x - Step 3: Cross multiply
366.18x = 549.36 × 122.70 - Step 4: Simplify right side
366.18x = 67,406.47 - Step 5: Solve for x
x = 67,406.47/366.18 - Step 6: Final answer
x = 184.08
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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.