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Finding the Fourth Proportional to 888.33, 1,332.36 and 425.37

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Solution

The fourth proportional to 888.33, 1,332.36 and 425.37 is: 637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.33 : 1,332.36 = 425.37 : x
  2. Step 2: Convert to fraction form
    888.33/1,332.36 = 425.37/x
  3. Step 3: Cross multiply
    888.33x = 1,332.36 × 425.37
  4. Step 4: Simplify right side
    888.33x = 566,745.97
  5. Step 5: Solve for x
    x = 566,745.97/888.33
  6. Step 6: Final answer
    x = 637.99

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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.