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Finding the Fourth Proportional to 241.36, 361.70 and 187

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Solution

The fourth proportional to 241.36, 361.70 and 187 is: 280.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.36 : 361.70 = 187 : x
  2. Step 2: Convert to fraction form
    241.36/361.70 = 187/x
  3. Step 3: Cross multiply
    241.36x = 361.70 × 187
  4. Step 4: Simplify right side
    241.36x = 67,637.90
  5. Step 5: Solve for x
    x = 67,637.90/241.36
  6. Step 6: Final answer
    x = 280.24

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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.