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Finding the Fourth Proportional to 250.75, 375.20 and 159.02

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Solution

The fourth proportional to 250.75, 375.20 and 159.02 is: 237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.75 : 375.20 = 159.02 : x
  2. Step 2: Convert to fraction form
    250.75/375.20 = 159.02/x
  3. Step 3: Cross multiply
    250.75x = 375.20 × 159.02
  4. Step 4: Simplify right side
    250.75x = 59,664.30
  5. Step 5: Solve for x
    x = 59,664.30/250.75
  6. Step 6: Final answer
    x = 237.94

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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.