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Finding the Fourth Proportional to 544.92, 816.17 and 361.86

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Solution

The fourth proportional to 544.92, 816.17 and 361.86 is: 541.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.92 : 816.17 = 361.86 : x
  2. Step 2: Convert to fraction form
    544.92/816.17 = 361.86/x
  3. Step 3: Cross multiply
    544.92x = 816.17 × 361.86
  4. Step 4: Simplify right side
    544.92x = 295,337.47
  5. Step 5: Solve for x
    x = 295,337.47/544.92
  6. Step 6: Final answer
    x = 541.98

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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.