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Finding the Fourth Proportional to 503.72, 755.03 and 195.48

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Solution

The fourth proportional to 503.72, 755.03 and 195.48 is: 293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.72 : 755.03 = 195.48 : x
  2. Step 2: Convert to fraction form
    503.72/755.03 = 195.48/x
  3. Step 3: Cross multiply
    503.72x = 755.03 × 195.48
  4. Step 4: Simplify right side
    503.72x = 147,593.26
  5. Step 5: Solve for x
    x = 147,593.26/503.72
  6. Step 6: Final answer
    x = 293.01

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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.