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Finding the Fourth Proportional to 246.87, 371.75 and 203.94

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Solution

The fourth proportional to 246.87, 371.75 and 203.94 is: 307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.87 : 371.75 = 203.94 : x
  2. Step 2: Convert to fraction form
    246.87/371.75 = 203.94/x
  3. Step 3: Cross multiply
    246.87x = 371.75 × 203.94
  4. Step 4: Simplify right side
    246.87x = 75,813.68
  5. Step 5: Solve for x
    x = 75,813.68/246.87
  6. Step 6: Final answer
    x = 307.10

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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.