Finding the Fourth Proportional to 366.26, 549.21 and 135.08
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Solution
The fourth proportional to 366.26, 549.21 and 135.08 is: 202.56
Step by Step Solution
- Step 1: Write the proportion equation
366.26 : 549.21 = 135.08 : x - Step 2: Convert to fraction form
366.26/549.21 = 135.08/x - Step 3: Cross multiply
366.26x = 549.21 × 135.08 - Step 4: Simplify right side
366.26x = 74,188.66 - Step 5: Solve for x
x = 74,188.66/366.26 - Step 6: Final answer
x = 202.56
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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.