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Finding the Fourth Proportional to 263.82, 364.06 and 160.32

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Solution

The fourth proportional to 263.82, 364.06 and 160.32 is: 221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.82 : 364.06 = 160.32 : x
  2. Step 2: Convert to fraction form
    263.82/364.06 = 160.32/x
  3. Step 3: Cross multiply
    263.82x = 364.06 × 160.32
  4. Step 4: Simplify right side
    263.82x = 58,366.10
  5. Step 5: Solve for x
    x = 58,366.10/263.82
  6. Step 6: Final answer
    x = 221.23

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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.