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Finding the Fourth Proportional to 264.54, 397.21 and 235.92

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Solution

The fourth proportional to 264.54, 397.21 and 235.92 is: 354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.54 : 397.21 = 235.92 : x
  2. Step 2: Convert to fraction form
    264.54/397.21 = 235.92/x
  3. Step 3: Cross multiply
    264.54x = 397.21 × 235.92
  4. Step 4: Simplify right side
    264.54x = 93,709.78
  5. Step 5: Solve for x
    x = 93,709.78/264.54
  6. Step 6: Final answer
    x = 354.24

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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.