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Finding the Fourth Proportional to 246.83, 340.61 and 136.30

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Solution

The fourth proportional to 246.83, 340.61 and 136.30 is: 188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.83 : 340.61 = 136.30 : x
  2. Step 2: Convert to fraction form
    246.83/340.61 = 136.30/x
  3. Step 3: Cross multiply
    246.83x = 340.61 × 136.30
  4. Step 4: Simplify right side
    246.83x = 46,425.14
  5. Step 5: Solve for x
    x = 46,425.14/246.83
  6. Step 6: Final answer
    x = 188.09

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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.