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Finding the Fourth Proportional to 439.26, 658.80 and 233.34

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Solution

The fourth proportional to 439.26, 658.80 and 233.34 is: 349.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.26 : 658.80 = 233.34 : x
  2. Step 2: Convert to fraction form
    439.26/658.80 = 233.34/x
  3. Step 3: Cross multiply
    439.26x = 658.80 × 233.34
  4. Step 4: Simplify right side
    439.26x = 153,724.39
  5. Step 5: Solve for x
    x = 153,724.39/439.26
  6. Step 6: Final answer
    x = 349.96

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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.