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Finding the Fourth Proportional to 439.88, 658.77 and 244.56

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Solution

The fourth proportional to 439.88, 658.77 and 244.56 is: 366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.88 : 658.77 = 244.56 : x
  2. Step 2: Convert to fraction form
    439.88/658.77 = 244.56/x
  3. Step 3: Cross multiply
    439.88x = 658.77 × 244.56
  4. Step 4: Simplify right side
    439.88x = 161,108.79
  5. Step 5: Solve for x
    x = 161,108.79/439.88
  6. Step 6: Final answer
    x = 366.26

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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.