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Finding the Fourth Proportional to 333.91, 460.75 and 202.89

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Solution

The fourth proportional to 333.91, 460.75 and 202.89 is: 279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.91 : 460.75 = 202.89 : x
  2. Step 2: Convert to fraction form
    333.91/460.75 = 202.89/x
  3. Step 3: Cross multiply
    333.91x = 460.75 × 202.89
  4. Step 4: Simplify right side
    333.91x = 93,481.57
  5. Step 5: Solve for x
    x = 93,481.57/333.91
  6. Step 6: Final answer
    x = 279.96

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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.