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Finding the Fourth Proportional to 267.22, 368.48 and 183.21

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Solution

The fourth proportional to 267.22, 368.48 and 183.21 is: 252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.22 : 368.48 = 183.21 : x
  2. Step 2: Convert to fraction form
    267.22/368.48 = 183.21/x
  3. Step 3: Cross multiply
    267.22x = 368.48 × 183.21
  4. Step 4: Simplify right side
    267.22x = 67,509.22
  5. Step 5: Solve for x
    x = 67,509.22/267.22
  6. Step 6: Final answer
    x = 252.64

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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.