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Finding the Fourth Proportional to 337.39, 505.27 and 228.85

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Solution

The fourth proportional to 337.39, 505.27 and 228.85 is: 342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.39 : 505.27 = 228.85 : x
  2. Step 2: Convert to fraction form
    337.39/505.27 = 228.85/x
  3. Step 3: Cross multiply
    337.39x = 505.27 × 228.85
  4. Step 4: Simplify right side
    337.39x = 115,629.20
  5. Step 5: Solve for x
    x = 115,629.20/337.39
  6. Step 6: Final answer
    x = 342.72

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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.