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Finding the Fourth Proportional to 246.53, 371.72 and 243.87

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Solution

The fourth proportional to 246.53, 371.72 and 243.87 is: 367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.53 : 371.72 = 243.87 : x
  2. Step 2: Convert to fraction form
    246.53/371.72 = 243.87/x
  3. Step 3: Cross multiply
    246.53x = 371.72 × 243.87
  4. Step 4: Simplify right side
    246.53x = 90,650.14
  5. Step 5: Solve for x
    x = 90,650.14/246.53
  6. Step 6: Final answer
    x = 367.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.