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Finding the Fourth Proportional to 262.35, 361.94 and 169.09

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Solution

The fourth proportional to 262.35, 361.94 and 169.09 is: 233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.35 : 361.94 = 169.09 : x
  2. Step 2: Convert to fraction form
    262.35/361.94 = 169.09/x
  3. Step 3: Cross multiply
    262.35x = 361.94 × 169.09
  4. Step 4: Simplify right side
    262.35x = 61,198.41
  5. Step 5: Solve for x
    x = 61,198.41/262.35
  6. Step 6: Final answer
    x = 233.27

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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.