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Finding the Fourth Proportional to 263.98, 364 and 185.38

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Solution

The fourth proportional to 263.98, 364 and 185.38 is: 255.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.98 : 364 = 185.38 : x
  2. Step 2: Convert to fraction form
    263.98/364 = 185.38/x
  3. Step 3: Cross multiply
    263.98x = 364 × 185.38
  4. Step 4: Simplify right side
    263.98x = 67,478.32
  5. Step 5: Solve for x
    x = 67,478.32/263.98
  6. Step 6: Final answer
    x = 255.62

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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.