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Finding the Fourth Proportional to 333.32, 459.95 and 200.55

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Solution

The fourth proportional to 333.32, 459.95 and 200.55 is: 276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.32 : 459.95 = 200.55 : x
  2. Step 2: Convert to fraction form
    333.32/459.95 = 200.55/x
  3. Step 3: Cross multiply
    333.32x = 459.95 × 200.55
  4. Step 4: Simplify right side
    333.32x = 92,241.17
  5. Step 5: Solve for x
    x = 92,241.17/333.32
  6. Step 6: Final answer
    x = 276.74

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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.