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Finding the Fourth Proportional to 624.33, 935.88 and 299.52

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Solution

The fourth proportional to 624.33, 935.88 and 299.52 is: 448.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.33 : 935.88 = 299.52 : x
  2. Step 2: Convert to fraction form
    624.33/935.88 = 299.52/x
  3. Step 3: Cross multiply
    624.33x = 935.88 × 299.52
  4. Step 4: Simplify right side
    624.33x = 280,314.78
  5. Step 5: Solve for x
    x = 280,314.78/624.33
  6. Step 6: Final answer
    x = 448.98

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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.