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Finding the Fourth Proportional to 232.64, 348.99 and 70.37

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Solution

The fourth proportional to 232.64, 348.99 and 70.37 is: 105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.64 : 348.99 = 70.37 : x
  2. Step 2: Convert to fraction form
    232.64/348.99 = 70.37/x
  3. Step 3: Cross multiply
    232.64x = 348.99 × 70.37
  4. Step 4: Simplify right side
    232.64x = 24,556.33
  5. Step 5: Solve for x
    x = 24,556.33/232.64
  6. Step 6: Final answer
    x = 105.56

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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.