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Finding the Fourth Proportional to 222.07, 333.02 and 149.02

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Solution

The fourth proportional to 222.07, 333.02 and 149.02 is: 223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.07 : 333.02 = 149.02 : x
  2. Step 2: Convert to fraction form
    222.07/333.02 = 149.02/x
  3. Step 3: Cross multiply
    222.07x = 333.02 × 149.02
  4. Step 4: Simplify right side
    222.07x = 49,626.64
  5. Step 5: Solve for x
    x = 49,626.64/222.07
  6. Step 6: Final answer
    x = 223.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.