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Finding the Fourth Proportional to 246.07, 339.59 and 135.56

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Solution

The fourth proportional to 246.07, 339.59 and 135.56 is: 187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.07 : 339.59 = 135.56 : x
  2. Step 2: Convert to fraction form
    246.07/339.59 = 135.56/x
  3. Step 3: Cross multiply
    246.07x = 339.59 × 135.56
  4. Step 4: Simplify right side
    246.07x = 46,033.97
  5. Step 5: Solve for x
    x = 46,033.97/246.07
  6. Step 6: Final answer
    x = 187.07

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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.