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Finding the Fourth Proportional to 562.11, 843.45 and 269.94

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Solution

The fourth proportional to 562.11, 843.45 and 269.94 is: 405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.11 : 843.45 = 269.94 : x
  2. Step 2: Convert to fraction form
    562.11/843.45 = 269.94/x
  3. Step 3: Cross multiply
    562.11x = 843.45 × 269.94
  4. Step 4: Simplify right side
    562.11x = 227,680.89
  5. Step 5: Solve for x
    x = 227,680.89/562.11
  6. Step 6: Final answer
    x = 405.05

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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.