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Finding the Fourth Proportional to 241.33, 332.96 and 143.07

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Solution

The fourth proportional to 241.33, 332.96 and 143.07 is: 197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.33 : 332.96 = 143.07 : x
  2. Step 2: Convert to fraction form
    241.33/332.96 = 143.07/x
  3. Step 3: Cross multiply
    241.33x = 332.96 × 143.07
  4. Step 4: Simplify right side
    241.33x = 47,634.21
  5. Step 5: Solve for x
    x = 47,634.21/241.33
  6. Step 6: Final answer
    x = 197.38

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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.