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Finding the Fourth Proportional to 223.94, 337.12 and 201.61

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Solution

The fourth proportional to 223.94, 337.12 and 201.61 is: 303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.94 : 337.12 = 201.61 : x
  2. Step 2: Convert to fraction form
    223.94/337.12 = 201.61/x
  3. Step 3: Cross multiply
    223.94x = 337.12 × 201.61
  4. Step 4: Simplify right side
    223.94x = 67,967.44
  5. Step 5: Solve for x
    x = 67,967.44/223.94
  6. Step 6: Final answer
    x = 303.51

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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.