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Finding the Fourth Proportional to 382.59, 573.56 and 197.29

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Solution

The fourth proportional to 382.59, 573.56 and 197.29 is: 295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.59 : 573.56 = 197.29 : x
  2. Step 2: Convert to fraction form
    382.59/573.56 = 197.29/x
  3. Step 3: Cross multiply
    382.59x = 573.56 × 197.29
  4. Step 4: Simplify right side
    382.59x = 113,154.78
  5. Step 5: Solve for x
    x = 113,154.78/382.59
  6. Step 6: Final answer
    x = 295.76

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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.