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Finding the Fourth Proportional to 222.99, 334.48 and 93.06

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Solution

The fourth proportional to 222.99, 334.48 and 93.06 is: 139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.99 : 334.48 = 93.06 : x
  2. Step 2: Convert to fraction form
    222.99/334.48 = 93.06/x
  3. Step 3: Cross multiply
    222.99x = 334.48 × 93.06
  4. Step 4: Simplify right side
    222.99x = 31,126.83
  5. Step 5: Solve for x
    x = 31,126.83/222.99
  6. Step 6: Final answer
    x = 139.59

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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.