Home / 447.89-670.62-231.01

Finding the Fourth Proportional to 447.89, 670.62 and 231.01

Calculator

Solution

The fourth proportional to 447.89, 670.62 and 231.01 is: 345.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.89 : 670.62 = 231.01 : x
  2. Step 2: Convert to fraction form
    447.89/670.62 = 231.01/x
  3. Step 3: Cross multiply
    447.89x = 670.62 × 231.01
  4. Step 4: Simplify right side
    447.89x = 154,919.93
  5. Step 5: Solve for x
    x = 154,919.93/447.89
  6. Step 6: Final answer
    x = 345.89

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.