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Finding the Fourth Proportional to 250.87, 376.36 and 148.24

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Solution

The fourth proportional to 250.87, 376.36 and 148.24 is: 222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.87 : 376.36 = 148.24 : x
  2. Step 2: Convert to fraction form
    250.87/376.36 = 148.24/x
  3. Step 3: Cross multiply
    250.87x = 376.36 × 148.24
  4. Step 4: Simplify right side
    250.87x = 55,791.61
  5. Step 5: Solve for x
    x = 55,791.61/250.87
  6. Step 6: Final answer
    x = 222.39

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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.