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Finding the Fourth Proportional to 246.30, 340.03 and 163.55

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Solution

The fourth proportional to 246.30, 340.03 and 163.55 is: 225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.30 : 340.03 = 163.55 : x
  2. Step 2: Convert to fraction form
    246.30/340.03 = 163.55/x
  3. Step 3: Cross multiply
    246.30x = 340.03 × 163.55
  4. Step 4: Simplify right side
    246.30x = 55,611.47
  5. Step 5: Solve for x
    x = 55,611.47/246.30
  6. Step 6: Final answer
    x = 225.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.