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Finding the Fourth Proportional to 719.50, 993.03 and 544.54

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Solution

The fourth proportional to 719.50, 993.03 and 544.54 is: 751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    719.50 : 993.03 = 544.54 : x
  2. Step 2: Convert to fraction form
    719.50/993.03 = 544.54/x
  3. Step 3: Cross multiply
    719.50x = 993.03 × 544.54
  4. Step 4: Simplify right side
    719.50x = 540,744.56
  5. Step 5: Solve for x
    x = 540,744.56/719.50
  6. Step 6: Final answer
    x = 751.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.