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Finding the Fourth Proportional to 246.63, 340.34 and 136.11

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Solution

The fourth proportional to 246.63, 340.34 and 136.11 is: 187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.63 : 340.34 = 136.11 : x
  2. Step 2: Convert to fraction form
    246.63/340.34 = 136.11/x
  3. Step 3: Cross multiply
    246.63x = 340.34 × 136.11
  4. Step 4: Simplify right side
    246.63x = 46,324.27
  5. Step 5: Solve for x
    x = 46,324.27/246.63
  6. Step 6: Final answer
    x = 187.83

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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.