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Finding the Fourth Proportional to 467.67, 701.67 and 338.49

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Solution

The fourth proportional to 467.67, 701.67 and 338.49 is: 507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.67 : 701.67 = 338.49 : x
  2. Step 2: Convert to fraction form
    467.67/701.67 = 338.49/x
  3. Step 3: Cross multiply
    467.67x = 701.67 × 338.49
  4. Step 4: Simplify right side
    467.67x = 237,508.28
  5. Step 5: Solve for x
    x = 237,508.28/467.67
  6. Step 6: Final answer
    x = 507.85

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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.