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Finding the Fourth Proportional to 265.22, 397.92 and 235.04

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Solution

The fourth proportional to 265.22, 397.92 and 235.04 is: 352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.22 : 397.92 = 235.04 : x
  2. Step 2: Convert to fraction form
    265.22/397.92 = 235.04/x
  3. Step 3: Cross multiply
    265.22x = 397.92 × 235.04
  4. Step 4: Simplify right side
    265.22x = 93,527.12
  5. Step 5: Solve for x
    x = 93,527.12/265.22
  6. Step 6: Final answer
    x = 352.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.