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Finding the Fourth Proportional to 148.22, 222.09 and 94.22

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Solution

The fourth proportional to 148.22, 222.09 and 94.22 is: 141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.22 : 222.09 = 94.22 : x
  2. Step 2: Convert to fraction form
    148.22/222.09 = 94.22/x
  3. Step 3: Cross multiply
    148.22x = 222.09 × 94.22
  4. Step 4: Simplify right side
    148.22x = 20,925.32
  5. Step 5: Solve for x
    x = 20,925.32/148.22
  6. Step 6: Final answer
    x = 141.18

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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.