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Finding the Fourth Proportional to 382.59, 572.79 and 237.33

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Solution

The fourth proportional to 382.59, 572.79 and 237.33 is: 355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.59 : 572.79 = 237.33 : x
  2. Step 2: Convert to fraction form
    382.59/572.79 = 237.33/x
  3. Step 3: Cross multiply
    382.59x = 572.79 × 237.33
  4. Step 4: Simplify right side
    382.59x = 135,940.25
  5. Step 5: Solve for x
    x = 135,940.25/382.59
  6. Step 6: Final answer
    x = 355.32

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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.