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Finding the Fourth Proportional to 333.11, 459.75 and 217.01

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Solution

The fourth proportional to 333.11, 459.75 and 217.01 is: 299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.11 : 459.75 = 217.01 : x
  2. Step 2: Convert to fraction form
    333.11/459.75 = 217.01/x
  3. Step 3: Cross multiply
    333.11x = 459.75 × 217.01
  4. Step 4: Simplify right side
    333.11x = 99,770.35
  5. Step 5: Solve for x
    x = 99,770.35/333.11
  6. Step 6: Final answer
    x = 299.51

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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.