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Finding the Fourth Proportional to 539.75, 744.44 and 362.39

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Solution

The fourth proportional to 539.75, 744.44 and 362.39 is: 499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.75 : 744.44 = 362.39 : x
  2. Step 2: Convert to fraction form
    539.75/744.44 = 362.39/x
  3. Step 3: Cross multiply
    539.75x = 744.44 × 362.39
  4. Step 4: Simplify right side
    539.75x = 269,772.08
  5. Step 5: Solve for x
    x = 269,772.08/539.75
  6. Step 6: Final answer
    x = 499.81

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1.5x scale

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.