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Finding the Fourth Proportional to 348.94, 523.03 and 153.73

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Solution

The fourth proportional to 348.94, 523.03 and 153.73 is: 230.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.94 : 523.03 = 153.73 : x
  2. Step 2: Convert to fraction form
    348.94/523.03 = 153.73/x
  3. Step 3: Cross multiply
    348.94x = 523.03 × 153.73
  4. Step 4: Simplify right side
    348.94x = 80,406.36
  5. Step 5: Solve for x
    x = 80,406.36/348.94
  6. Step 6: Final answer
    x = 230.43

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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.