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Finding the Fourth Proportional to 294.88, 442.56 and 132.54

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Solution

The fourth proportional to 294.88, 442.56 and 132.54 is: 198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.88 : 442.56 = 132.54 : x
  2. Step 2: Convert to fraction form
    294.88/442.56 = 132.54/x
  3. Step 3: Cross multiply
    294.88x = 442.56 × 132.54
  4. Step 4: Simplify right side
    294.88x = 58,656.90
  5. Step 5: Solve for x
    x = 58,656.90/294.88
  6. Step 6: Final answer
    x = 198.92

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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.