Finding the Fourth Proportional to 400.62, 600.12 and 183.96
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Solution
The fourth proportional to 400.62, 600.12 and 183.96 is: 275.57
Step by Step Solution
- Step 1: Write the proportion equation
400.62 : 600.12 = 183.96 : x - Step 2: Convert to fraction form
400.62/600.12 = 183.96/x - Step 3: Cross multiply
400.62x = 600.12 × 183.96 - Step 4: Simplify right side
400.62x = 110,398.08 - Step 5: Solve for x
x = 110,398.08/400.62 - Step 6: Final answer
x = 275.57
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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.