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Finding the Fourth Proportional to 333.22, 459.84 and 202.27

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Solution

The fourth proportional to 333.22, 459.84 and 202.27 is: 279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.22 : 459.84 = 202.27 : x
  2. Step 2: Convert to fraction form
    333.22/459.84 = 202.27/x
  3. Step 3: Cross multiply
    333.22x = 459.84 × 202.27
  4. Step 4: Simplify right side
    333.22x = 93,011.84
  5. Step 5: Solve for x
    x = 93,011.84/333.22
  6. Step 6: Final answer
    x = 279.13

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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.