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Finding the Fourth Proportional to 701.03, 1,049.27 and 515.89

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Solution

The fourth proportional to 701.03, 1,049.27 and 515.89 is: 772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.03 : 1,049.27 = 515.89 : x
  2. Step 2: Convert to fraction form
    701.03/1,049.27 = 515.89/x
  3. Step 3: Cross multiply
    701.03x = 1,049.27 × 515.89
  4. Step 4: Simplify right side
    701.03x = 541,300.73
  5. Step 5: Solve for x
    x = 541,300.73/701.03
  6. Step 6: Final answer
    x = 772.15

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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.