Home / 371.69-512.95-205.91

Finding the Fourth Proportional to 371.69, 512.95 and 205.91

Calculator

Solution

The fourth proportional to 371.69, 512.95 and 205.91 is: 284.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.69 : 512.95 = 205.91 : x
  2. Step 2: Convert to fraction form
    371.69/512.95 = 205.91/x
  3. Step 3: Cross multiply
    371.69x = 512.95 × 205.91
  4. Step 4: Simplify right side
    371.69x = 105,618.97
  5. Step 5: Solve for x
    x = 105,618.97/371.69
  6. Step 6: Final answer
    x = 284.16

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.