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Finding the Fourth Proportional to 246.76, 369.93 and 131.14

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Solution

The fourth proportional to 246.76, 369.93 and 131.14 is: 196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.76 : 369.93 = 131.14 : x
  2. Step 2: Convert to fraction form
    246.76/369.93 = 131.14/x
  3. Step 3: Cross multiply
    246.76x = 369.93 × 131.14
  4. Step 4: Simplify right side
    246.76x = 48,512.62
  5. Step 5: Solve for x
    x = 48,512.62/246.76
  6. Step 6: Final answer
    x = 196.60

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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.