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Finding the Fourth Proportional to 344.24, 475.01 and 196.88

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Solution

The fourth proportional to 344.24, 475.01 and 196.88 is: 271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.24 : 475.01 = 196.88 : x
  2. Step 2: Convert to fraction form
    344.24/475.01 = 196.88/x
  3. Step 3: Cross multiply
    344.24x = 475.01 × 196.88
  4. Step 4: Simplify right side
    344.24x = 93,516.61
  5. Step 5: Solve for x
    x = 93,516.61/344.24
  6. Step 6: Final answer
    x = 271.67

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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.