Finding the Fourth Proportional to 366.15, 548.88 and 122.55
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Solution
The fourth proportional to 366.15, 548.88 and 122.55 is: 183.71
Step by Step Solution
- Step 1: Write the proportion equation
366.15 : 548.88 = 122.55 : x - Step 2: Convert to fraction form
366.15/548.88 = 122.55/x - Step 3: Cross multiply
366.15x = 548.88 × 122.55 - Step 4: Simplify right side
366.15x = 67,265.24 - Step 5: Solve for x
x = 67,265.24/366.15 - Step 6: Final answer
x = 183.71
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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.