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Finding the Fourth Proportional to 263.29, 362.98 and 197.00

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Solution

The fourth proportional to 263.29, 362.98 and 197.00 is: 271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.29 : 362.98 = 197.00 : x
  2. Step 2: Convert to fraction form
    263.29/362.98 = 197.00/x
  3. Step 3: Cross multiply
    263.29x = 362.98 × 197.00
  4. Step 4: Simplify right side
    263.29x = 71,505.25
  5. Step 5: Solve for x
    x = 71,505.25/263.29
  6. Step 6: Final answer
    x = 271.59

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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.