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Finding the Fourth Proportional to 544.09, 816.04 and 178.87

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Solution

The fourth proportional to 544.09, 816.04 and 178.87 is: 268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.09 : 816.04 = 178.87 : x
  2. Step 2: Convert to fraction form
    544.09/816.04 = 178.87/x
  3. Step 3: Cross multiply
    544.09x = 816.04 × 178.87
  4. Step 4: Simplify right side
    544.09x = 145,965.07
  5. Step 5: Solve for x
    x = 145,965.07/544.09
  6. Step 6: Final answer
    x = 268.27

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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.