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Finding the Fourth Proportional to 241.66, 361.97 and 148.89

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Solution

The fourth proportional to 241.66, 361.97 and 148.89 is: 223.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.66 : 361.97 = 148.89 : x
  2. Step 2: Convert to fraction form
    241.66/361.97 = 148.89/x
  3. Step 3: Cross multiply
    241.66x = 361.97 × 148.89
  4. Step 4: Simplify right side
    241.66x = 53,892.85
  5. Step 5: Solve for x
    x = 53,892.85/241.66
  6. Step 6: Final answer
    x = 223.01

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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.