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Finding the Fourth Proportional to 264.26, 363.56 and 211.50

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Solution

The fourth proportional to 264.26, 363.56 and 211.50 is: 290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.26 : 363.56 = 211.50 : x
  2. Step 2: Convert to fraction form
    264.26/363.56 = 211.50/x
  3. Step 3: Cross multiply
    264.26x = 363.56 × 211.50
  4. Step 4: Simplify right side
    264.26x = 76,891.88
  5. Step 5: Solve for x
    x = 76,891.88/264.26
  6. Step 6: Final answer
    x = 290.97

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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.