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Finding the Fourth Proportional to 562.28, 843.94 and 288.56

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Solution

The fourth proportional to 562.28, 843.94 and 288.56 is: 433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.28 : 843.94 = 288.56 : x
  2. Step 2: Convert to fraction form
    562.28/843.94 = 288.56/x
  3. Step 3: Cross multiply
    562.28x = 843.94 × 288.56
  4. Step 4: Simplify right side
    562.28x = 243,527.33
  5. Step 5: Solve for x
    x = 243,527.33/562.28
  6. Step 6: Final answer
    x = 433.11

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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.