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Finding the Fourth Proportional to 503.55, 754.72 and 229.37

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Solution

The fourth proportional to 503.55, 754.72 and 229.37 is: 343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.55 : 754.72 = 229.37 : x
  2. Step 2: Convert to fraction form
    503.55/754.72 = 229.37/x
  3. Step 3: Cross multiply
    503.55x = 754.72 × 229.37
  4. Step 4: Simplify right side
    503.55x = 173,105.78
  5. Step 5: Solve for x
    x = 173,105.78/503.55
  6. Step 6: Final answer
    x = 343.77

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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.