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Finding the Fourth Proportional to 333.63, 460.79 and 222.92

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Solution

The fourth proportional to 333.63, 460.79 and 222.92 is: 307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.63 : 460.79 = 222.92 : x
  2. Step 2: Convert to fraction form
    333.63/460.79 = 222.92/x
  3. Step 3: Cross multiply
    333.63x = 460.79 × 222.92
  4. Step 4: Simplify right side
    333.63x = 102,715.89
  5. Step 5: Solve for x
    x = 102,715.89/333.63
  6. Step 6: Final answer
    x = 307.87

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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.