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Finding the Fourth Proportional to 544.39, 750.87 and 369.43

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Solution

The fourth proportional to 544.39, 750.87 and 369.43 is: 509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.39 : 750.87 = 369.43 : x
  2. Step 2: Convert to fraction form
    544.39/750.87 = 369.43/x
  3. Step 3: Cross multiply
    544.39x = 750.87 × 369.43
  4. Step 4: Simplify right side
    544.39x = 277,393.90
  5. Step 5: Solve for x
    x = 277,393.90/544.39
  6. Step 6: Final answer
    x = 509.55

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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.