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Finding the Fourth Proportional to 241.54, 361.88 and 125.81

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Solution

The fourth proportional to 241.54, 361.88 and 125.81 is: 188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.54 : 361.88 = 125.81 : x
  2. Step 2: Convert to fraction form
    241.54/361.88 = 125.81/x
  3. Step 3: Cross multiply
    241.54x = 361.88 × 125.81
  4. Step 4: Simplify right side
    241.54x = 45,528.12
  5. Step 5: Solve for x
    x = 45,528.12/241.54
  6. Step 6: Final answer
    x = 188.49

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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.