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Finding the Fourth Proportional to 467.27, 701.12 and 321.06

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Solution

The fourth proportional to 467.27, 701.12 and 321.06 is: 481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.27 : 701.12 = 321.06 : x
  2. Step 2: Convert to fraction form
    467.27/701.12 = 321.06/x
  3. Step 3: Cross multiply
    467.27x = 701.12 × 321.06
  4. Step 4: Simplify right side
    467.27x = 225,105.02
  5. Step 5: Solve for x
    x = 225,105.02/467.27
  6. Step 6: Final answer
    x = 481.75

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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.