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Finding the Fourth Proportional to 361.08, 537.75 and 351.36

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Solution

The fourth proportional to 361.08, 537.75 and 351.36 is: 523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.08 : 537.75 = 351.36 : x
  2. Step 2: Convert to fraction form
    361.08/537.75 = 351.36/x
  3. Step 3: Cross multiply
    361.08x = 537.75 × 351.36
  4. Step 4: Simplify right side
    361.08x = 188,943.84
  5. Step 5: Solve for x
    x = 188,943.84/361.08
  6. Step 6: Final answer
    x = 523.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.