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Finding the Fourth Proportional to 798.33, 1,197.49 and 472.71

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Solution

The fourth proportional to 798.33, 1,197.49 and 472.71 is: 709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.33 : 1,197.49 = 472.71 : x
  2. Step 2: Convert to fraction form
    798.33/1,197.49 = 472.71/x
  3. Step 3: Cross multiply
    798.33x = 1,197.49 × 472.71
  4. Step 4: Simplify right side
    798.33x = 566,065.50
  5. Step 5: Solve for x
    x = 566,065.50/798.33
  6. Step 6: Final answer
    x = 709.06

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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.