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Finding the Fourth Proportional to 487.97, 730.94 and 333.18

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Solution

The fourth proportional to 487.97, 730.94 and 333.18 is: 499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    487.97 : 730.94 = 333.18 : x
  2. Step 2: Convert to fraction form
    487.97/730.94 = 333.18/x
  3. Step 3: Cross multiply
    487.97x = 730.94 × 333.18
  4. Step 4: Simplify right side
    487.97x = 243,530.31
  5. Step 5: Solve for x
    x = 243,530.31/487.97
  6. Step 6: Final answer
    x = 499.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.