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Finding the Fourth Proportional to 262.21, 361.94 and 174.91

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Solution

The fourth proportional to 262.21, 361.94 and 174.91 is: 241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.21 : 361.94 = 174.91 : x
  2. Step 2: Convert to fraction form
    262.21/361.94 = 174.91/x
  3. Step 3: Cross multiply
    262.21x = 361.94 × 174.91
  4. Step 4: Simplify right side
    262.21x = 63,306.93
  5. Step 5: Solve for x
    x = 63,306.93/262.21
  6. Step 6: Final answer
    x = 241.44

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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.