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Finding the Fourth Proportional to 582.59, 804.44 and 361.91

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Solution

The fourth proportional to 582.59, 804.44 and 361.91 is: 499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.59 : 804.44 = 361.91 : x
  2. Step 2: Convert to fraction form
    582.59/804.44 = 361.91/x
  3. Step 3: Cross multiply
    582.59x = 804.44 × 361.91
  4. Step 4: Simplify right side
    582.59x = 291,134.88
  5. Step 5: Solve for x
    x = 291,134.88/582.59
  6. Step 6: Final answer
    x = 499.73

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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.