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Finding the Fourth Proportional to 335.28, 500.91 and 333.48

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Solution

The fourth proportional to 335.28, 500.91 and 333.48 is: 498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.28 : 500.91 = 333.48 : x
  2. Step 2: Convert to fraction form
    335.28/500.91 = 333.48/x
  3. Step 3: Cross multiply
    335.28x = 500.91 × 333.48
  4. Step 4: Simplify right side
    335.28x = 167,043.47
  5. Step 5: Solve for x
    x = 167,043.47/335.28
  6. Step 6: Final answer
    x = 498.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.