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Finding the Fourth Proportional to 239.87, 359.19 and 158.46

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Solution

The fourth proportional to 239.87, 359.19 and 158.46 is: 237.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.87 : 359.19 = 158.46 : x
  2. Step 2: Convert to fraction form
    239.87/359.19 = 158.46/x
  3. Step 3: Cross multiply
    239.87x = 359.19 × 158.46
  4. Step 4: Simplify right side
    239.87x = 56,917.25
  5. Step 5: Solve for x
    x = 56,917.25/239.87
  6. Step 6: Final answer
    x = 237.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.