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Finding the Fourth Proportional to 379.38, 568.52 and 173.44

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Solution

The fourth proportional to 379.38, 568.52 and 173.44 is: 259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.38 : 568.52 = 173.44 : x
  2. Step 2: Convert to fraction form
    379.38/568.52 = 173.44/x
  3. Step 3: Cross multiply
    379.38x = 568.52 × 173.44
  4. Step 4: Simplify right side
    379.38x = 98,600.40
  5. Step 5: Solve for x
    x = 98,600.40/379.38
  6. Step 6: Final answer
    x = 259.90

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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.