Home / 967.62-1,451.28-318.30

Finding the Fourth Proportional to 967.62, 1,451.28 and 318.30

Calculator

Solution

The fourth proportional to 967.62, 1,451.28 and 318.30 is: 477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.62 : 1,451.28 = 318.30 : x
  2. Step 2: Convert to fraction form
    967.62/1,451.28 = 318.30/x
  3. Step 3: Cross multiply
    967.62x = 1,451.28 × 318.30
  4. Step 4: Simplify right side
    967.62x = 461,942.42
  5. Step 5: Solve for x
    x = 461,942.42/967.62
  6. Step 6: Final answer
    x = 477.40

Related Problems

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.