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Finding the Fourth Proportional to 241.44, 332.95 and 157.27

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Solution

The fourth proportional to 241.44, 332.95 and 157.27 is: 216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.44 : 332.95 = 157.27 : x
  2. Step 2: Convert to fraction form
    241.44/332.95 = 157.27/x
  3. Step 3: Cross multiply
    241.44x = 332.95 × 157.27
  4. Step 4: Simplify right side
    241.44x = 52,361.82
  5. Step 5: Solve for x
    x = 52,361.82/241.44
  6. Step 6: Final answer
    x = 216.88

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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.