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Finding the Fourth Proportional to 246.78, 367.61 and 237.87

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Solution

The fourth proportional to 246.78, 367.61 and 237.87 is: 354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.78 : 367.61 = 237.87 : x
  2. Step 2: Convert to fraction form
    246.78/367.61 = 237.87/x
  3. Step 3: Cross multiply
    246.78x = 367.61 × 237.87
  4. Step 4: Simplify right side
    246.78x = 87,442.20
  5. Step 5: Solve for x
    x = 87,442.20/246.78
  6. Step 6: Final answer
    x = 354.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.