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Finding the Fourth Proportional to 734.52, 1,100.84 and 441.84

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Solution

The fourth proportional to 734.52, 1,100.84 and 441.84 is: 662.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.52 : 1,100.84 = 441.84 : x
  2. Step 2: Convert to fraction form
    734.52/1,100.84 = 441.84/x
  3. Step 3: Cross multiply
    734.52x = 1,100.84 × 441.84
  4. Step 4: Simplify right side
    734.52x = 486,392.94
  5. Step 5: Solve for x
    x = 486,392.94/734.52
  6. Step 6: Final answer
    x = 662.19

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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.