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Finding the Fourth Proportional to 591.93, 817.14 and 395.57

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Solution

The fourth proportional to 591.93, 817.14 and 395.57 is: 546.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.93 : 817.14 = 395.57 : x
  2. Step 2: Convert to fraction form
    591.93/817.14 = 395.57/x
  3. Step 3: Cross multiply
    591.93x = 817.14 × 395.57
  4. Step 4: Simplify right side
    591.93x = 323,231.98
  5. Step 5: Solve for x
    x = 323,231.98/591.93
  6. Step 6: Final answer
    x = 546.06

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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.