Home / 396.33-590.95-395.55

Finding the Fourth Proportional to 396.33, 590.95 and 395.55

Calculator

Solution

The fourth proportional to 396.33, 590.95 and 395.55 is: 589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.33 : 590.95 = 395.55 : x
  2. Step 2: Convert to fraction form
    396.33/590.95 = 395.55/x
  3. Step 3: Cross multiply
    396.33x = 590.95 × 395.55
  4. Step 4: Simplify right side
    396.33x = 233,750.77
  5. Step 5: Solve for x
    x = 233,750.77/396.33
  6. Step 6: Final answer
    x = 589.79

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.