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Finding the Fourth Proportional to 246.20, 371.08 and 235.22

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Solution

The fourth proportional to 246.20, 371.08 and 235.22 is: 354.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.20 : 371.08 = 235.22 : x
  2. Step 2: Convert to fraction form
    246.20/371.08 = 235.22/x
  3. Step 3: Cross multiply
    246.20x = 371.08 × 235.22
  4. Step 4: Simplify right side
    246.20x = 87,285.44
  5. Step 5: Solve for x
    x = 87,285.44/246.20
  6. Step 6: Final answer
    x = 354.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.