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Finding the Fourth Proportional to 395.03, 591.80 and 250.44

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Solution

The fourth proportional to 395.03, 591.80 and 250.44 is: 375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.03 : 591.80 = 250.44 : x
  2. Step 2: Convert to fraction form
    395.03/591.80 = 250.44/x
  3. Step 3: Cross multiply
    395.03x = 591.80 × 250.44
  4. Step 4: Simplify right side
    395.03x = 148,209.14
  5. Step 5: Solve for x
    x = 148,209.14/395.03
  6. Step 6: Final answer
    x = 375.19

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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.