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Finding the Fourth Proportional to 697.83, 1,044.60 and 532.90

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Solution

The fourth proportional to 697.83, 1,044.60 and 532.90 is: 797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.83 : 1,044.60 = 532.90 : x
  2. Step 2: Convert to fraction form
    697.83/1,044.60 = 532.90/x
  3. Step 3: Cross multiply
    697.83x = 1,044.60 × 532.90
  4. Step 4: Simplify right side
    697.83x = 556,660.77
  5. Step 5: Solve for x
    x = 556,660.77/697.83
  6. Step 6: Final answer
    x = 797.70

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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.