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Finding the Fourth Proportional to 733.07, 1,099.89 and 322.44

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Solution

The fourth proportional to 733.07, 1,099.89 and 322.44 is: 483.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.07 : 1,099.89 = 322.44 : x
  2. Step 2: Convert to fraction form
    733.07/1,099.89 = 322.44/x
  3. Step 3: Cross multiply
    733.07x = 1,099.89 × 322.44
  4. Step 4: Simplify right side
    733.07x = 354,648.53
  5. Step 5: Solve for x
    x = 354,648.53/733.07
  6. Step 6: Final answer
    x = 483.79

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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.