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Finding the Fourth Proportional to 733.63, 1,099.30 and 404.29

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Solution

The fourth proportional to 733.63, 1,099.30 and 404.29 is: 605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.63 : 1,099.30 = 404.29 : x
  2. Step 2: Convert to fraction form
    733.63/1,099.30 = 404.29/x
  3. Step 3: Cross multiply
    733.63x = 1,099.30 × 404.29
  4. Step 4: Simplify right side
    733.63x = 444,435.98
  5. Step 5: Solve for x
    x = 444,435.98/733.63
  6. Step 6: Final answer
    x = 605.80

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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.