Home / 447.88-670.38-344.67

Finding the Fourth Proportional to 447.88, 670.38 and 344.67

Calculator

Solution

The fourth proportional to 447.88, 670.38 and 344.67 is: 515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.88 : 670.38 = 344.67 : x
  2. Step 2: Convert to fraction form
    447.88/670.38 = 344.67/x
  3. Step 3: Cross multiply
    447.88x = 670.38 × 344.67
  4. Step 4: Simplify right side
    447.88x = 231,056.52
  5. Step 5: Solve for x
    x = 231,056.52/447.88
  6. Step 6: Final answer
    x = 515.90

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.