Home / 418.45-577.46-231.94

Finding the Fourth Proportional to 418.45, 577.46 and 231.94

Calculator

Solution

The fourth proportional to 418.45, 577.46 and 231.94 is: 320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    418.45 : 577.46 = 231.94 : x
  2. Step 2: Convert to fraction form
    418.45/577.46 = 231.94/x
  3. Step 3: Cross multiply
    418.45x = 577.46 × 231.94
  4. Step 4: Simplify right side
    418.45x = 133,934.48
  5. Step 5: Solve for x
    x = 133,934.48/418.45
  6. Step 6: Final answer
    x = 320.08

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.