Home / 396.70-547.36-359.24

Finding the Fourth Proportional to 396.70, 547.36 and 359.24

Calculator

Solution

The fourth proportional to 396.70, 547.36 and 359.24 is: 495.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.70 : 547.36 = 359.24 : x
  2. Step 2: Convert to fraction form
    396.70/547.36 = 359.24/x
  3. Step 3: Cross multiply
    396.70x = 547.36 × 359.24
  4. Step 4: Simplify right side
    396.70x = 196,629.97
  5. Step 5: Solve for x
    x = 196,629.97/396.70
  6. Step 6: Final answer
    x = 495.67

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.