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Finding the Fourth Proportional to 503.44, 754.99 and 225.62

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Solution

The fourth proportional to 503.44, 754.99 and 225.62 is: 338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.44 : 754.99 = 225.62 : x
  2. Step 2: Convert to fraction form
    503.44/754.99 = 225.62/x
  3. Step 3: Cross multiply
    503.44x = 754.99 × 225.62
  4. Step 4: Simplify right side
    503.44x = 170,339.34
  5. Step 5: Solve for x
    x = 170,339.34/503.44
  6. Step 6: Final answer
    x = 338.35

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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.