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Finding the Fourth Proportional to 333.40, 460.02 and 200.58

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Solution

The fourth proportional to 333.40, 460.02 and 200.58 is: 276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.40 : 460.02 = 200.58 : x
  2. Step 2: Convert to fraction form
    333.40/460.02 = 200.58/x
  3. Step 3: Cross multiply
    333.40x = 460.02 × 200.58
  4. Step 4: Simplify right side
    333.40x = 92,270.81
  5. Step 5: Solve for x
    x = 92,270.81/333.40
  6. Step 6: Final answer
    x = 276.76

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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.