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Finding the Fourth Proportional to 222.14, 332.98 and 130.68

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Solution

The fourth proportional to 222.14, 332.98 and 130.68 is: 195.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.14 : 332.98 = 130.68 : x
  2. Step 2: Convert to fraction form
    222.14/332.98 = 130.68/x
  3. Step 3: Cross multiply
    222.14x = 332.98 × 130.68
  4. Step 4: Simplify right side
    222.14x = 43,513.50
  5. Step 5: Solve for x
    x = 43,513.50/222.14
  6. Step 6: Final answer
    x = 195.88

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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.