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Finding the Fourth Proportional to 263.98, 364.18 and 165.67

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Solution

The fourth proportional to 263.98, 364.18 and 165.67 is: 228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.98 : 364.18 = 165.67 : x
  2. Step 2: Convert to fraction form
    263.98/364.18 = 165.67/x
  3. Step 3: Cross multiply
    263.98x = 364.18 × 165.67
  4. Step 4: Simplify right side
    263.98x = 60,333.70
  5. Step 5: Solve for x
    x = 60,333.70/263.98
  6. Step 6: Final answer
    x = 228.55

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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.