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Finding the Fourth Proportional to 294.52, 441.22 and 149.88

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Solution

The fourth proportional to 294.52, 441.22 and 149.88 is: 224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.52 : 441.22 = 149.88 : x
  2. Step 2: Convert to fraction form
    294.52/441.22 = 149.88/x
  3. Step 3: Cross multiply
    294.52x = 441.22 × 149.88
  4. Step 4: Simplify right side
    294.52x = 66,130.05
  5. Step 5: Solve for x
    x = 66,130.05/294.52
  6. Step 6: Final answer
    x = 224.54

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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.