Finding the Fourth Proportional to 366.26, 549.36 and 122.81
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Solution
The fourth proportional to 366.26, 549.36 and 122.81 is: 184.20
Step by Step Solution
- Step 1: Write the proportion equation
366.26 : 549.36 = 122.81 : x - Step 2: Convert to fraction form
366.26/549.36 = 122.81/x - Step 3: Cross multiply
366.26x = 549.36 × 122.81 - Step 4: Simplify right side
366.26x = 67,464.15 - Step 5: Solve for x
x = 67,464.15/366.26 - Step 6: Final answer
x = 184.20
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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.