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Finding the Fourth Proportional to 246.26, 369.86 and 124.76

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Solution

The fourth proportional to 246.26, 369.86 and 124.76 is: 187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.26 : 369.86 = 124.76 : x
  2. Step 2: Convert to fraction form
    246.26/369.86 = 124.76/x
  3. Step 3: Cross multiply
    246.26x = 369.86 × 124.76
  4. Step 4: Simplify right side
    246.26x = 46,141.26
  5. Step 5: Solve for x
    x = 46,141.26/246.26
  6. Step 6: Final answer
    x = 187.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.