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Finding the Fourth Proportional to 835.35, 1,250.28 and 697.47

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Solution

The fourth proportional to 835.35, 1,250.28 and 697.47 is: 1,043.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.35 : 1,250.28 = 697.47 : x
  2. Step 2: Convert to fraction form
    835.35/1,250.28 = 697.47/x
  3. Step 3: Cross multiply
    835.35x = 1,250.28 × 697.47
  4. Step 4: Simplify right side
    835.35x = 872,032.79
  5. Step 5: Solve for x
    x = 872,032.79/835.35
  6. Step 6: Final answer
    x = 1,043.91

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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.