Finding the Fourth Proportional to 366.24, 549.36 and 135.15
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Solution
The fourth proportional to 366.24, 549.36 and 135.15 is: 202.72
Step by Step Solution
- Step 1: Write the proportion equation
366.24 : 549.36 = 135.15 : x - Step 2: Convert to fraction form
366.24/549.36 = 135.15/x - Step 3: Cross multiply
366.24x = 549.36 × 135.15 - Step 4: Simplify right side
366.24x = 74,243.26 - Step 5: Solve for x
x = 74,243.26/366.24 - Step 6: Final answer
x = 202.72
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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.