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Finding the Fourth Proportional to 263.22, 363.45 and 214.02

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Solution

The fourth proportional to 263.22, 363.45 and 214.02 is: 295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.22 : 363.45 = 214.02 : x
  2. Step 2: Convert to fraction form
    263.22/363.45 = 214.02/x
  3. Step 3: Cross multiply
    263.22x = 363.45 × 214.02
  4. Step 4: Simplify right side
    263.22x = 77,785.57
  5. Step 5: Solve for x
    x = 77,785.57/263.22
  6. Step 6: Final answer
    x = 295.52

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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.