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Finding the Fourth Proportional to 263.17, 363.13 and 158.24

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Solution

The fourth proportional to 263.17, 363.13 and 158.24 is: 218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.17 : 363.13 = 158.24 : x
  2. Step 2: Convert to fraction form
    263.17/363.13 = 158.24/x
  3. Step 3: Cross multiply
    263.17x = 363.13 × 158.24
  4. Step 4: Simplify right side
    263.17x = 57,460.07
  5. Step 5: Solve for x
    x = 57,460.07/263.17
  6. Step 6: Final answer
    x = 218.34

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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.