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Finding the Fourth Proportional to 263.85, 364.29 and 181.11

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Solution

The fourth proportional to 263.85, 364.29 and 181.11 is: 250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.85 : 364.29 = 181.11 : x
  2. Step 2: Convert to fraction form
    263.85/364.29 = 181.11/x
  3. Step 3: Cross multiply
    263.85x = 364.29 × 181.11
  4. Step 4: Simplify right side
    263.85x = 65,976.56
  5. Step 5: Solve for x
    x = 65,976.56/263.85
  6. Step 6: Final answer
    x = 250.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.