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Finding the Fourth Proportional to 591, 885.69 and 444.11

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Solution

The fourth proportional to 591, 885.69 and 444.11 is: 665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    591 : 885.69 = 444.11 : x
  2. Step 2: Convert to fraction form
    591/885.69 = 444.11/x
  3. Step 3: Cross multiply
    591x = 885.69 × 444.11
  4. Step 4: Simplify right side
    591x = 393,339.36
  5. Step 5: Solve for x
    x = 393,339.36/591
  6. Step 6: Final answer
    x = 665.55

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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.