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Finding the Fourth Proportional to 337.08, 505.49 and 154.43

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Solution

The fourth proportional to 337.08, 505.49 and 154.43 is: 231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.08 : 505.49 = 154.43 : x
  2. Step 2: Convert to fraction form
    337.08/505.49 = 154.43/x
  3. Step 3: Cross multiply
    337.08x = 505.49 × 154.43
  4. Step 4: Simplify right side
    337.08x = 78,059.52
  5. Step 5: Solve for x
    x = 78,059.52/337.08
  6. Step 6: Final answer
    x = 231.58

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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.