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Finding the Fourth Proportional to 246.70, 371.83 and 235.72

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Solution

The fourth proportional to 246.70, 371.83 and 235.72 is: 355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.70 : 371.83 = 235.72 : x
  2. Step 2: Convert to fraction form
    246.70/371.83 = 235.72/x
  3. Step 3: Cross multiply
    246.70x = 371.83 × 235.72
  4. Step 4: Simplify right side
    246.70x = 87,647.77
  5. Step 5: Solve for x
    x = 87,647.77/246.70
  6. Step 6: Final answer
    x = 355.28

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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.