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Finding the Fourth Proportional to 246.14, 371.09 and 242.90

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Solution

The fourth proportional to 246.14, 371.09 and 242.90 is: 366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.14 : 371.09 = 242.90 : x
  2. Step 2: Convert to fraction form
    246.14/371.09 = 242.90/x
  3. Step 3: Cross multiply
    246.14x = 371.09 × 242.90
  4. Step 4: Simplify right side
    246.14x = 90,137.76
  5. Step 5: Solve for x
    x = 90,137.76/246.14
  6. Step 6: Final answer
    x = 366.21

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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.