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Finding the Fourth Proportional to 562.33, 843.13 and 269.44

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Solution

The fourth proportional to 562.33, 843.13 and 269.44 is: 403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.33 : 843.13 = 269.44 : x
  2. Step 2: Convert to fraction form
    562.33/843.13 = 269.44/x
  3. Step 3: Cross multiply
    562.33x = 843.13 × 269.44
  4. Step 4: Simplify right side
    562.33x = 227,174.40
  5. Step 5: Solve for x
    x = 227,174.40/562.33
  6. Step 6: Final answer
    x = 403.99

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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.