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Finding the Fourth Proportional to 246.83, 340.63 and 163.79

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Solution

The fourth proportional to 246.83, 340.63 and 163.79 is: 226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.83 : 340.63 = 163.79 : x
  2. Step 2: Convert to fraction form
    246.83/340.63 = 163.79/x
  3. Step 3: Cross multiply
    246.83x = 340.63 × 163.79
  4. Step 4: Simplify right side
    246.83x = 55,790.95
  5. Step 5: Solve for x
    x = 55,790.95/246.83
  6. Step 6: Final answer
    x = 226.03

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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.