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Finding the Fourth Proportional to 263.80, 364.00 and 165.52

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Solution

The fourth proportional to 263.80, 364.00 and 165.52 is: 228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.80 : 364.00 = 165.52 : x
  2. Step 2: Convert to fraction form
    263.80/364.00 = 165.52/x
  3. Step 3: Cross multiply
    263.80x = 364.00 × 165.52
  4. Step 4: Simplify right side
    263.80x = 60,247.05
  5. Step 5: Solve for x
    x = 60,247.05/263.80
  6. Step 6: Final answer
    x = 228.39

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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.