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Finding the Fourth Proportional to 197.31, 296.01 and 164.64

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Solution

The fourth proportional to 197.31, 296.01 and 164.64 is: 247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.31 : 296.01 = 164.64 : x
  2. Step 2: Convert to fraction form
    197.31/296.01 = 164.64/x
  3. Step 3: Cross multiply
    197.31x = 296.01 × 164.64
  4. Step 4: Simplify right side
    197.31x = 48,735.09
  5. Step 5: Solve for x
    x = 48,735.09/197.31
  6. Step 6: Final answer
    x = 247.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.