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Finding the Fourth Proportional to 175.89, 264.11 and 107.70

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Solution

The fourth proportional to 175.89, 264.11 and 107.70 is: 161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.89 : 264.11 = 107.70 : x
  2. Step 2: Convert to fraction form
    175.89/264.11 = 107.70/x
  3. Step 3: Cross multiply
    175.89x = 264.11 × 107.70
  4. Step 4: Simplify right side
    175.89x = 28,445.04
  5. Step 5: Solve for x
    x = 28,445.04/175.89
  6. Step 6: Final answer
    x = 161.72

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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.