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Finding the Fourth Proportional to 277.27, 417.22 and 228.87

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Solution

The fourth proportional to 277.27, 417.22 and 228.87 is: 344.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.27 : 417.22 = 228.87 : x
  2. Step 2: Convert to fraction form
    277.27/417.22 = 228.87/x
  3. Step 3: Cross multiply
    277.27x = 417.22 × 228.87
  4. Step 4: Simplify right side
    277.27x = 95,488.57
  5. Step 5: Solve for x
    x = 95,488.57/277.27
  6. Step 6: Final answer
    x = 344.39

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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.