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Finding the Fourth Proportional to 544.42, 816.74 and 179.20

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Solution

The fourth proportional to 544.42, 816.74 and 179.20 is: 268.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.42 : 816.74 = 179.20 : x
  2. Step 2: Convert to fraction form
    544.42/816.74 = 179.20/x
  3. Step 3: Cross multiply
    544.42x = 816.74 × 179.20
  4. Step 4: Simplify right side
    544.42x = 146,359.81
  5. Step 5: Solve for x
    x = 146,359.81/544.42
  6. Step 6: Final answer
    x = 268.84

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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.