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Finding the Third Proportional to 155.81 and 224.44

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Solution

The third proportional to 155.81 and 224.44 is: 323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.81 : 224.44 = 224.44 : x
  2. Step 2: Convert to fraction form
    155.81/224.44 = 224.44/x
  3. Step 3: Cross multiply
    155.81x = 224.44 × 224.44
  4. Step 4: Simplify right side
    155.81x = 50,372.19
  5. Step 5: Solve for x
    x = 50,372.19/155.81
  6. Step 6: Final answer
    x = 323.29

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.