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Finding the Fourth Proportional to 499.88, 688.97 and 333.83

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Solution

The fourth proportional to 499.88, 688.97 and 333.83 is: 460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.88 : 688.97 = 333.83 : x
  2. Step 2: Convert to fraction form
    499.88/688.97 = 333.83/x
  3. Step 3: Cross multiply
    499.88x = 688.97 × 333.83
  4. Step 4: Simplify right side
    499.88x = 229,997.19
  5. Step 5: Solve for x
    x = 229,997.19/499.88
  6. Step 6: Final answer
    x = 460.10

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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.