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Finding the Fourth Proportional to 733.11, 1,100.52 and 579.14

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Solution

The fourth proportional to 733.11, 1,100.52 and 579.14 is: 869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.11 : 1,100.52 = 579.14 : x
  2. Step 2: Convert to fraction form
    733.11/1,100.52 = 579.14/x
  3. Step 3: Cross multiply
    733.11x = 1,100.52 × 579.14
  4. Step 4: Simplify right side
    733.11x = 637,355.15
  5. Step 5: Solve for x
    x = 637,355.15/733.11
  6. Step 6: Final answer
    x = 869.39

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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.