Home / 185.01-255.28-111.31

Finding the Fourth Proportional to 185.01, 255.28 and 111.31

Calculator

Solution

The fourth proportional to 185.01, 255.28 and 111.31 is: 153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.01 : 255.28 = 111.31 : x
  2. Step 2: Convert to fraction form
    185.01/255.28 = 111.31/x
  3. Step 3: Cross multiply
    185.01x = 255.28 × 111.31
  4. Step 4: Simplify right side
    185.01x = 28,415.22
  5. Step 5: Solve for x
    x = 28,415.22/185.01
  6. Step 6: Final answer
    x = 153.59

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.