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Finding the Fourth Proportional to 591.03, 885.33 and 395.43

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Solution

The fourth proportional to 591.03, 885.33 and 395.43 is: 592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.03 : 885.33 = 395.43 : x
  2. Step 2: Convert to fraction form
    591.03/885.33 = 395.43/x
  3. Step 3: Cross multiply
    591.03x = 885.33 × 395.43
  4. Step 4: Simplify right side
    591.03x = 350,086.04
  5. Step 5: Solve for x
    x = 350,086.04/591.03
  6. Step 6: Final answer
    x = 592.33

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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.