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Finding the Fourth Proportional to 733.92, 1,100.12 and 444.48

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Solution

The fourth proportional to 733.92, 1,100.12 and 444.48 is: 666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.92 : 1,100.12 = 444.48 : x
  2. Step 2: Convert to fraction form
    733.92/1,100.12 = 444.48/x
  3. Step 3: Cross multiply
    733.92x = 1,100.12 × 444.48
  4. Step 4: Simplify right side
    733.92x = 488,981.34
  5. Step 5: Solve for x
    x = 488,981.34/733.92
  6. Step 6: Final answer
    x = 666.26

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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.