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Finding the Fourth Proportional to 241.23, 332.78 and 142.94

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Solution

The fourth proportional to 241.23, 332.78 and 142.94 is: 197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.23 : 332.78 = 142.94 : x
  2. Step 2: Convert to fraction form
    241.23/332.78 = 142.94/x
  3. Step 3: Cross multiply
    241.23x = 332.78 × 142.94
  4. Step 4: Simplify right side
    241.23x = 47,567.57
  5. Step 5: Solve for x
    x = 47,567.57/241.23
  6. Step 6: Final answer
    x = 197.19

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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.