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Finding the Fourth Proportional to 264.57, 365.21 and 194.60

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Solution

The fourth proportional to 264.57, 365.21 and 194.60 is: 268.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.57 : 365.21 = 194.60 : x
  2. Step 2: Convert to fraction form
    264.57/365.21 = 194.60/x
  3. Step 3: Cross multiply
    264.57x = 365.21 × 194.60
  4. Step 4: Simplify right side
    264.57x = 71,070.54
  5. Step 5: Solve for x
    x = 71,070.54/264.57
  6. Step 6: Final answer
    x = 268.63

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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.