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Finding the Fourth Proportional to 734.01, 1,098.86 and 444.57

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Solution

The fourth proportional to 734.01, 1,098.86 and 444.57 is: 665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.01 : 1,098.86 = 444.57 : x
  2. Step 2: Convert to fraction form
    734.01/1,098.86 = 444.57/x
  3. Step 3: Cross multiply
    734.01x = 1,098.86 × 444.57
  4. Step 4: Simplify right side
    734.01x = 488,517.97
  5. Step 5: Solve for x
    x = 488,517.97/734.01
  6. Step 6: Final answer
    x = 665.55

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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.