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Finding the Fourth Proportional to 251.27, 376.26 and 228.18

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Solution

The fourth proportional to 251.27, 376.26 and 228.18 is: 341.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.27 : 376.26 = 228.18 : x
  2. Step 2: Convert to fraction form
    251.27/376.26 = 228.18/x
  3. Step 3: Cross multiply
    251.27x = 376.26 × 228.18
  4. Step 4: Simplify right side
    251.27x = 85,856.85
  5. Step 5: Solve for x
    x = 85,856.85/251.27
  6. Step 6: Final answer
    x = 341.69

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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.