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Finding the Fourth Proportional to 222.07, 334.45 and 200.68

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Solution

The fourth proportional to 222.07, 334.45 and 200.68 is: 302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.07 : 334.45 = 200.68 : x
  2. Step 2: Convert to fraction form
    222.07/334.45 = 200.68/x
  3. Step 3: Cross multiply
    222.07x = 334.45 × 200.68
  4. Step 4: Simplify right side
    222.07x = 67,117.43
  5. Step 5: Solve for x
    x = 67,117.43/222.07
  6. Step 6: Final answer
    x = 302.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.