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Finding the Fourth Proportional to 241.62, 333.49 and 143.44

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Solution

The fourth proportional to 241.62, 333.49 and 143.44 is: 197.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.62 : 333.49 = 143.44 : x
  2. Step 2: Convert to fraction form
    241.62/333.49 = 143.44/x
  3. Step 3: Cross multiply
    241.62x = 333.49 × 143.44
  4. Step 4: Simplify right side
    241.62x = 47,835.81
  5. Step 5: Solve for x
    x = 47,835.81/241.62
  6. Step 6: Final answer
    x = 197.98

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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.