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Finding the Fourth Proportional to 241.66, 361.98 and 119.75

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Solution

The fourth proportional to 241.66, 361.98 and 119.75 is: 179.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.66 : 361.98 = 119.75 : x
  2. Step 2: Convert to fraction form
    241.66/361.98 = 119.75/x
  3. Step 3: Cross multiply
    241.66x = 361.98 × 119.75
  4. Step 4: Simplify right side
    241.66x = 43,348.01
  5. Step 5: Solve for x
    x = 43,348.01/241.66
  6. Step 6: Final answer
    x = 179.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.