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Finding the Fourth Proportional to 294.96, 443.25 and 150.78

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Solution

The fourth proportional to 294.96, 443.25 and 150.78 is: 226.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.96 : 443.25 = 150.78 : x
  2. Step 2: Convert to fraction form
    294.96/443.25 = 150.78/x
  3. Step 3: Cross multiply
    294.96x = 443.25 × 150.78
  4. Step 4: Simplify right side
    294.96x = 66,833.24
  5. Step 5: Solve for x
    x = 66,833.24/294.96
  6. Step 6: Final answer
    x = 226.58

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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.