Home / 308.89-426.09-184.51

Finding the Fourth Proportional to 308.89, 426.09 and 184.51

Calculator

Solution

The fourth proportional to 308.89, 426.09 and 184.51 is: 254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.89 : 426.09 = 184.51 : x
  2. Step 2: Convert to fraction form
    308.89/426.09 = 184.51/x
  3. Step 3: Cross multiply
    308.89x = 426.09 × 184.51
  4. Step 4: Simplify right side
    308.89x = 78,617.87
  5. Step 5: Solve for x
    x = 78,617.87/308.89
  6. Step 6: Final answer
    x = 254.52

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.