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Finding the Fourth Proportional to 379.29, 568.98 and 173.91

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Solution

The fourth proportional to 379.29, 568.98 and 173.91 is: 260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.29 : 568.98 = 173.91 : x
  2. Step 2: Convert to fraction form
    379.29/568.98 = 173.91/x
  3. Step 3: Cross multiply
    379.29x = 568.98 × 173.91
  4. Step 4: Simplify right side
    379.29x = 98,951.31
  5. Step 5: Solve for x
    x = 98,951.31/379.29
  6. Step 6: Final answer
    x = 260.89

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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.