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Finding the Fourth Proportional to 544.95, 816.05 and 361.79

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Solution

The fourth proportional to 544.95, 816.05 and 361.79 is: 541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.95 : 816.05 = 361.79 : x
  2. Step 2: Convert to fraction form
    544.95/816.05 = 361.79/x
  3. Step 3: Cross multiply
    544.95x = 816.05 × 361.79
  4. Step 4: Simplify right side
    544.95x = 295,232.84
  5. Step 5: Solve for x
    x = 295,232.84/544.95
  6. Step 6: Final answer
    x = 541.76

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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.