Home / 371.25-512.51-240.35

Finding the Fourth Proportional to 371.25, 512.51 and 240.35

Calculator

Solution

The fourth proportional to 371.25, 512.51 and 240.35 is: 331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.25 : 512.51 = 240.35 : x
  2. Step 2: Convert to fraction form
    371.25/512.51 = 240.35/x
  3. Step 3: Cross multiply
    371.25x = 512.51 × 240.35
  4. Step 4: Simplify right side
    371.25x = 123,178.01
  5. Step 5: Solve for x
    x = 123,178.01/371.25
  6. Step 6: Final answer
    x = 331.79

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.