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Finding the Fourth Proportional to 591.62, 816.05 and 444

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Solution

The fourth proportional to 591.62, 816.05 and 444 is: 612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.62 : 816.05 = 444 : x
  2. Step 2: Convert to fraction form
    591.62/816.05 = 444/x
  3. Step 3: Cross multiply
    591.62x = 816.05 × 444
  4. Step 4: Simplify right side
    591.62x = 362,323.98
  5. Step 5: Solve for x
    x = 362,323.98/591.62
  6. Step 6: Final answer
    x = 612.43

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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.