Home / 371.66-513.14-231.84

Finding the Fourth Proportional to 371.66, 513.14 and 231.84

Calculator

Solution

The fourth proportional to 371.66, 513.14 and 231.84 is: 320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.66 : 513.14 = 231.84 : x
  2. Step 2: Convert to fraction form
    371.66/513.14 = 231.84/x
  3. Step 3: Cross multiply
    371.66x = 513.14 × 231.84
  4. Step 4: Simplify right side
    371.66x = 118,966.38
  5. Step 5: Solve for x
    x = 118,966.38/371.66
  6. Step 6: Final answer
    x = 320.09

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.