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Finding the Fourth Proportional to 263.44, 363.36 and 214.24

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Solution

The fourth proportional to 263.44, 363.36 and 214.24 is: 295.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.44 : 363.36 = 214.24 : x
  2. Step 2: Convert to fraction form
    263.44/363.36 = 214.24/x
  3. Step 3: Cross multiply
    263.44x = 363.36 × 214.24
  4. Step 4: Simplify right side
    263.44x = 77,846.25
  5. Step 5: Solve for x
    x = 77,846.25/263.44
  6. Step 6: Final answer
    x = 295.50

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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.