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Finding the Fourth Proportional to 246.95, 338.31 and 237.71

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Solution

The fourth proportional to 246.95, 338.31 and 237.71 is: 325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.95 : 338.31 = 237.71 : x
  2. Step 2: Convert to fraction form
    246.95/338.31 = 237.71/x
  3. Step 3: Cross multiply
    246.95x = 338.31 × 237.71
  4. Step 4: Simplify right side
    246.95x = 80,420.52
  5. Step 5: Solve for x
    x = 80,420.52/246.95
  6. Step 6: Final answer
    x = 325.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.