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Finding the Fourth Proportional to 333.45, 460.11 and 200.64

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Solution

The fourth proportional to 333.45, 460.11 and 200.64 is: 276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.45 : 460.11 = 200.64 : x
  2. Step 2: Convert to fraction form
    333.45/460.11 = 200.64/x
  3. Step 3: Cross multiply
    333.45x = 460.11 × 200.64
  4. Step 4: Simplify right side
    333.45x = 92,316.47
  5. Step 5: Solve for x
    x = 92,316.47/333.45
  6. Step 6: Final answer
    x = 276.85

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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.