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Finding the Fourth Proportional to 361.52, 541.92 and 233.36

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Solution

The fourth proportional to 361.52, 541.92 and 233.36 is: 349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.52 : 541.92 = 233.36 : x
  2. Step 2: Convert to fraction form
    361.52/541.92 = 233.36/x
  3. Step 3: Cross multiply
    361.52x = 541.92 × 233.36
  4. Step 4: Simplify right side
    361.52x = 126,462.45
  5. Step 5: Solve for x
    x = 126,462.45/361.52
  6. Step 6: Final answer
    x = 349.81

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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.