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Finding the Fourth Proportional to 250.72, 376.22 and 159.08

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Solution

The fourth proportional to 250.72, 376.22 and 159.08 is: 238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.72 : 376.22 = 159.08 : x
  2. Step 2: Convert to fraction form
    250.72/376.22 = 159.08/x
  3. Step 3: Cross multiply
    250.72x = 376.22 × 159.08
  4. Step 4: Simplify right side
    250.72x = 59,850.42
  5. Step 5: Solve for x
    x = 59,850.42/250.72
  6. Step 6: Final answer
    x = 238.72

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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.