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Finding the Fourth Proportional to 222.98, 334.43 and 60.68

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Solution

The fourth proportional to 222.98, 334.43 and 60.68 is: 91.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.98 : 334.43 = 60.68 : x
  2. Step 2: Convert to fraction form
    222.98/334.43 = 60.68/x
  3. Step 3: Cross multiply
    222.98x = 334.43 × 60.68
  4. Step 4: Simplify right side
    222.98x = 20,291.24
  5. Step 5: Solve for x
    x = 20,291.24/222.98
  6. Step 6: Final answer
    x = 91.00

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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.