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Finding the Fourth Proportional to 377.13, 519.27 and 361.56

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Solution

The fourth proportional to 377.13, 519.27 and 361.56 is: 497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.13 : 519.27 = 361.56 : x
  2. Step 2: Convert to fraction form
    377.13/519.27 = 361.56/x
  3. Step 3: Cross multiply
    377.13x = 519.27 × 361.56
  4. Step 4: Simplify right side
    377.13x = 187,748.48
  5. Step 5: Solve for x
    x = 187,748.48/377.13
  6. Step 6: Final answer
    x = 497.84

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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.