Home / 396.94-548.03-272.56

Finding the Fourth Proportional to 396.94, 548.03 and 272.56

Calculator

Solution

The fourth proportional to 396.94, 548.03 and 272.56 is: 376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.94 : 548.03 = 272.56 : x
  2. Step 2: Convert to fraction form
    396.94/548.03 = 272.56/x
  3. Step 3: Cross multiply
    396.94x = 548.03 × 272.56
  4. Step 4: Simplify right side
    396.94x = 149,371.06
  5. Step 5: Solve for x
    x = 149,371.06/396.94
  6. Step 6: Final answer
    x = 376.31

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.