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Finding the Fourth Proportional to 267.00, 368.35 and 163.56

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Solution

The fourth proportional to 267.00, 368.35 and 163.56 is: 225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.00 : 368.35 = 163.56 : x
  2. Step 2: Convert to fraction form
    267.00/368.35 = 163.56/x
  3. Step 3: Cross multiply
    267.00x = 368.35 × 163.56
  4. Step 4: Simplify right side
    267.00x = 60,244.67
  5. Step 5: Solve for x
    x = 60,244.67/267.00
  6. Step 6: Final answer
    x = 225.64

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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.