Finding the Fourth Proportional to 400.44, 600.12 and 207.84
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Solution
The fourth proportional to 400.44, 600.12 and 207.84 is: 311.48
Step by Step Solution
- Step 1: Write the proportion equation
400.44 : 600.12 = 207.84 : x - Step 2: Convert to fraction form
400.44/600.12 = 207.84/x - Step 3: Cross multiply
400.44x = 600.12 × 207.84 - Step 4: Simplify right side
400.44x = 124,728.94 - Step 5: Solve for x
x = 124,728.94/400.44 - Step 6: Final answer
x = 311.48
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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.