Home / 220.32-330.47-124.13

Finding the Fourth Proportional to 220.32, 330.47 and 124.13

Calculator

Solution

The fourth proportional to 220.32, 330.47 and 124.13 is: 186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220.32 : 330.47 = 124.13 : x
  2. Step 2: Convert to fraction form
    220.32/330.47 = 124.13/x
  3. Step 3: Cross multiply
    220.32x = 330.47 × 124.13
  4. Step 4: Simplify right side
    220.32x = 41,018.97
  5. Step 5: Solve for x
    x = 41,018.97/220.32
  6. Step 6: Final answer
    x = 186.18

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.