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Finding the Fourth Proportional to 833.46, 1,250.97 and 400.92

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Solution

The fourth proportional to 833.46, 1,250.97 and 400.92 is: 601.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.46 : 1,250.97 = 400.92 : x
  2. Step 2: Convert to fraction form
    833.46/1,250.97 = 400.92/x
  3. Step 3: Cross multiply
    833.46x = 1,250.97 × 400.92
  4. Step 4: Simplify right side
    833.46x = 501,538.89
  5. Step 5: Solve for x
    x = 501,538.89/833.46
  6. Step 6: Final answer
    x = 601.76

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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.