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Finding the Fourth Proportional to 338.52, 467.37 and 222.24

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Solution

The fourth proportional to 338.52, 467.37 and 222.24 is: 306.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.52 : 467.37 = 222.24 : x
  2. Step 2: Convert to fraction form
    338.52/467.37 = 222.24/x
  3. Step 3: Cross multiply
    338.52x = 467.37 × 222.24
  4. Step 4: Simplify right side
    338.52x = 103,868.31
  5. Step 5: Solve for x
    x = 103,868.31/338.52
  6. Step 6: Final answer
    x = 306.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.