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Finding the Fourth Proportional to 283.91, 425.86 and 232.90

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Solution

The fourth proportional to 283.91, 425.86 and 232.90 is: 349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.91 : 425.86 = 232.90 : x
  2. Step 2: Convert to fraction form
    283.91/425.86 = 232.90/x
  3. Step 3: Cross multiply
    283.91x = 425.86 × 232.90
  4. Step 4: Simplify right side
    283.91x = 99,182.34
  5. Step 5: Solve for x
    x = 99,182.34/283.91
  6. Step 6: Final answer
    x = 349.35

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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.