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Finding the Fourth Proportional to 294.30, 441.38 and 132.03

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Solution

The fourth proportional to 294.30, 441.38 and 132.03 is: 198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.30 : 441.38 = 132.03 : x
  2. Step 2: Convert to fraction form
    294.30/441.38 = 132.03/x
  3. Step 3: Cross multiply
    294.30x = 441.38 × 132.03
  4. Step 4: Simplify right side
    294.30x = 58,275.73
  5. Step 5: Solve for x
    x = 58,275.73/294.30
  6. Step 6: Final answer
    x = 198.01

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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.