Finding the Fourth Proportional to 400.08, 600.36 and 169.08
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Solution
The fourth proportional to 400.08, 600.36 and 169.08 is: 253.72
Step by Step Solution
- Step 1: Write the proportion equation
400.08 : 600.36 = 169.08 : x - Step 2: Convert to fraction form
400.08/600.36 = 169.08/x - Step 3: Cross multiply
400.08x = 600.36 × 169.08 - Step 4: Simplify right side
400.08x = 101,508.87 - Step 5: Solve for x
x = 101,508.87/400.08 - Step 6: Final answer
x = 253.72
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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.