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Finding the Fourth Proportional to 267.32, 368.86 and 150.88

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Solution

The fourth proportional to 267.32, 368.86 and 150.88 is: 208.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.32 : 368.86 = 150.88 : x
  2. Step 2: Convert to fraction form
    267.32/368.86 = 150.88/x
  3. Step 3: Cross multiply
    267.32x = 368.86 × 150.88
  4. Step 4: Simplify right side
    267.32x = 55,653.60
  5. Step 5: Solve for x
    x = 55,653.60/267.32
  6. Step 6: Final answer
    x = 208.19

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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.