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Finding the Fourth Proportional to 239.32, 356.96 and 201.04

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Solution

The fourth proportional to 239.32, 356.96 and 201.04 is: 299.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.32 : 356.96 = 201.04 : x
  2. Step 2: Convert to fraction form
    239.32/356.96 = 201.04/x
  3. Step 3: Cross multiply
    239.32x = 356.96 × 201.04
  4. Step 4: Simplify right side
    239.32x = 71,763.24
  5. Step 5: Solve for x
    x = 71,763.24/239.32
  6. Step 6: Final answer
    x = 299.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.