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Finding the Fourth Proportional to 344.37, 475.32 and 197.09

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Solution

The fourth proportional to 344.37, 475.32 and 197.09 is: 272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.37 : 475.32 = 197.09 : x
  2. Step 2: Convert to fraction form
    344.37/475.32 = 197.09/x
  3. Step 3: Cross multiply
    344.37x = 475.32 × 197.09
  4. Step 4: Simplify right side
    344.37x = 93,681.75
  5. Step 5: Solve for x
    x = 93,681.75/344.37
  6. Step 6: Final answer
    x = 272.04

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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.