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Finding the Fourth Proportional to 294.27, 441.40 and 132.07

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Solution

The fourth proportional to 294.27, 441.40 and 132.07 is: 198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.27 : 441.40 = 132.07 : x
  2. Step 2: Convert to fraction form
    294.27/441.40 = 132.07/x
  3. Step 3: Cross multiply
    294.27x = 441.40 × 132.07
  4. Step 4: Simplify right side
    294.27x = 58,296.02
  5. Step 5: Solve for x
    x = 58,296.02/294.27
  6. Step 6: Final answer
    x = 198.10

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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.