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Finding the Fourth Proportional to 246.81, 371.95 and 222.46

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Solution

The fourth proportional to 246.81, 371.95 and 222.46 is: 335.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.81 : 371.95 = 222.46 : x
  2. Step 2: Convert to fraction form
    246.81/371.95 = 222.46/x
  3. Step 3: Cross multiply
    246.81x = 371.95 × 222.46
  4. Step 4: Simplify right side
    246.81x = 82,744.00
  5. Step 5: Solve for x
    x = 82,744.00/246.81
  6. Step 6: Final answer
    x = 335.25

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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.