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Finding the Fourth Proportional to 265.96, 367.50 and 255.16

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Solution

The fourth proportional to 265.96, 367.50 and 255.16 is: 352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.96 : 367.50 = 255.16 : x
  2. Step 2: Convert to fraction form
    265.96/367.50 = 255.16/x
  3. Step 3: Cross multiply
    265.96x = 367.50 × 255.16
  4. Step 4: Simplify right side
    265.96x = 93,771.30
  5. Step 5: Solve for x
    x = 93,771.30/265.96
  6. Step 6: Final answer
    x = 352.58

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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.