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Finding the Fourth Proportional to 836.00, 1,251.37 and 747.95

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Solution

The fourth proportional to 836.00, 1,251.37 and 747.95 is: 1,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    836.00 : 1,251.37 = 747.95 : x
  2. Step 2: Convert to fraction form
    836.00/1,251.37 = 747.95/x
  3. Step 3: Cross multiply
    836.00x = 1,251.37 × 747.95
  4. Step 4: Simplify right side
    836.00x = 935,959.06
  5. Step 5: Solve for x
    x = 935,959.06/836.00
  6. Step 6: Final answer
    x = 1,119.57

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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.