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Finding the Fourth Proportional to 263.03, 363.12 and 164.82

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Solution

The fourth proportional to 263.03, 363.12 and 164.82 is: 227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.03 : 363.12 = 164.82 : x
  2. Step 2: Convert to fraction form
    263.03/363.12 = 164.82/x
  3. Step 3: Cross multiply
    263.03x = 363.12 × 164.82
  4. Step 4: Simplify right side
    263.03x = 59,849.44
  5. Step 5: Solve for x
    x = 59,849.44/263.03
  6. Step 6: Final answer
    x = 227.54

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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.