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Finding the Fourth Proportional to 246.82, 370.24 and 161.86

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Solution

The fourth proportional to 246.82, 370.24 and 161.86 is: 242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.82 : 370.24 = 161.86 : x
  2. Step 2: Convert to fraction form
    246.82/370.24 = 161.86/x
  3. Step 3: Cross multiply
    246.82x = 370.24 × 161.86
  4. Step 4: Simplify right side
    246.82x = 59,927.05
  5. Step 5: Solve for x
    x = 59,927.05/246.82
  6. Step 6: Final answer
    x = 242.80

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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.