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Finding the Fourth Proportional to 351.59, 527.48 and 108.11

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Solution

The fourth proportional to 351.59, 527.48 and 108.11 is: 162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.59 : 527.48 = 108.11 : x
  2. Step 2: Convert to fraction form
    351.59/527.48 = 108.11/x
  3. Step 3: Cross multiply
    351.59x = 527.48 × 108.11
  4. Step 4: Simplify right side
    351.59x = 57,022.68
  5. Step 5: Solve for x
    x = 57,022.68/351.59
  6. Step 6: Final answer
    x = 162.19

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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.