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Finding the Fourth Proportional to 356.28, 533.88 and 232.80

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Solution

The fourth proportional to 356.28, 533.88 and 232.80 is: 348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.28 : 533.88 = 232.80 : x
  2. Step 2: Convert to fraction form
    356.28/533.88 = 232.80/x
  3. Step 3: Cross multiply
    356.28x = 533.88 × 232.80
  4. Step 4: Simplify right side
    356.28x = 124,287.26
  5. Step 5: Solve for x
    x = 124,287.26/356.28
  6. Step 6: Final answer
    x = 348.85

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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.