Finding the Fourth Proportional to 366.17, 549.09 and 135.02
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Solution
The fourth proportional to 366.17, 549.09 and 135.02 is: 202.47
Step by Step Solution
- Step 1: Write the proportion equation
366.17 : 549.09 = 135.02 : x - Step 2: Convert to fraction form
366.17/549.09 = 135.02/x - Step 3: Cross multiply
366.17x = 549.09 × 135.02 - Step 4: Simplify right side
366.17x = 74,138.13 - Step 5: Solve for x
x = 74,138.13/366.17 - Step 6: Final answer
x = 202.47
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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.