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Finding the Fourth Proportional to 246.76, 368.21 and 223.72

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Solution

The fourth proportional to 246.76, 368.21 and 223.72 is: 333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.76 : 368.21 = 223.72 : x
  2. Step 2: Convert to fraction form
    246.76/368.21 = 223.72/x
  3. Step 3: Cross multiply
    246.76x = 368.21 × 223.72
  4. Step 4: Simplify right side
    246.76x = 82,375.94
  5. Step 5: Solve for x
    x = 82,375.94/246.76
  6. Step 6: Final answer
    x = 333.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.