Home / 380.63-525.26-205.97

Finding the Fourth Proportional to 380.63, 525.26 and 205.97

Calculator

Solution

The fourth proportional to 380.63, 525.26 and 205.97 is: 284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    380.63 : 525.26 = 205.97 : x
  2. Step 2: Convert to fraction form
    380.63/525.26 = 205.97/x
  3. Step 3: Cross multiply
    380.63x = 525.26 × 205.97
  4. Step 4: Simplify right side
    380.63x = 108,187.66
  5. Step 5: Solve for x
    x = 108,187.66/380.63
  6. Step 6: Final answer
    x = 284.24

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.