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Finding the Fourth Proportional to 264.39, 364.67 and 159.43

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Solution

The fourth proportional to 264.39, 364.67 and 159.43 is: 219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.39 : 364.67 = 159.43 : x
  2. Step 2: Convert to fraction form
    264.39/364.67 = 159.43/x
  3. Step 3: Cross multiply
    264.39x = 364.67 × 159.43
  4. Step 4: Simplify right side
    264.39x = 58,139.34
  5. Step 5: Solve for x
    x = 58,139.34/264.39
  6. Step 6: Final answer
    x = 219.90

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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.