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Finding the Fourth Proportional to 148.34, 222.51 and 94.07

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Solution

The fourth proportional to 148.34, 222.51 and 94.07 is: 141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.34 : 222.51 = 94.07 : x
  2. Step 2: Convert to fraction form
    148.34/222.51 = 94.07/x
  3. Step 3: Cross multiply
    148.34x = 222.51 × 94.07
  4. Step 4: Simplify right side
    148.34x = 20,932.42
  5. Step 5: Solve for x
    x = 20,932.42/148.34
  6. Step 6: Final answer
    x = 141.11

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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.