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Finding the Fourth Proportional to 344.43, 475.18 and 197.03

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Solution

The fourth proportional to 344.43, 475.18 and 197.03 is: 271.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.43 : 475.18 = 197.03 : x
  2. Step 2: Convert to fraction form
    344.43/475.18 = 197.03/x
  3. Step 3: Cross multiply
    344.43x = 475.18 × 197.03
  4. Step 4: Simplify right side
    344.43x = 93,623.73
  5. Step 5: Solve for x
    x = 93,623.73/344.43
  6. Step 6: Final answer
    x = 271.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.