Home / 544.00-815.90-178.79

Finding the Fourth Proportional to 544.00, 815.90 and 178.79

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Solution

The fourth proportional to 544.00, 815.90 and 178.79 is: 268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.00 : 815.90 = 178.79 : x
  2. Step 2: Convert to fraction form
    544.00/815.90 = 178.79/x
  3. Step 3: Cross multiply
    544.00x = 815.90 × 178.79
  4. Step 4: Simplify right side
    544.00x = 145,870.68
  5. Step 5: Solve for x
    x = 145,870.68/544.00
  6. Step 6: Final answer
    x = 268.15

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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.