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Finding the Fourth Proportional to 591.96, 814.50 and 577.56

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Solution

The fourth proportional to 591.96, 814.50 and 577.56 is: 794.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.96 : 814.50 = 577.56 : x
  2. Step 2: Convert to fraction form
    591.96/814.50 = 577.56/x
  3. Step 3: Cross multiply
    591.96x = 814.50 × 577.56
  4. Step 4: Simplify right side
    591.96x = 470,422.62
  5. Step 5: Solve for x
    x = 470,422.62/591.96
  6. Step 6: Final answer
    x = 794.69

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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.