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Finding the Fourth Proportional to 1,101.11, 1,650.24 and 484.65

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Solution

The fourth proportional to 1,101.11, 1,650.24 and 484.65 is: 726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101.11 : 1,650.24 = 484.65 : x
  2. Step 2: Convert to fraction form
    1,101.11/1,650.24 = 484.65/x
  3. Step 3: Cross multiply
    1,101.11x = 1,650.24 × 484.65
  4. Step 4: Simplify right side
    1,101.11x = 799,791.48
  5. Step 5: Solve for x
    x = 799,791.48/1,101.11
  6. Step 6: Final answer
    x = 726.35

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Double scale
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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.