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Finding the Fourth Proportional to 250.30, 375.85 and 154.72

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Solution

The fourth proportional to 250.30, 375.85 and 154.72 is: 232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.30 : 375.85 = 154.72 : x
  2. Step 2: Convert to fraction form
    250.30/375.85 = 154.72/x
  3. Step 3: Cross multiply
    250.30x = 375.85 × 154.72
  4. Step 4: Simplify right side
    250.30x = 58,150.77
  5. Step 5: Solve for x
    x = 58,150.77/250.30
  6. Step 6: Final answer
    x = 232.33

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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.