Home / 388.42-536.40-241.11

Finding the Fourth Proportional to 388.42, 536.40 and 241.11

Calculator

Solution

The fourth proportional to 388.42, 536.40 and 241.11 is: 332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    388.42 : 536.40 = 241.11 : x
  2. Step 2: Convert to fraction form
    388.42/536.40 = 241.11/x
  3. Step 3: Cross multiply
    388.42x = 536.40 × 241.11
  4. Step 4: Simplify right side
    388.42x = 129,331.40
  5. Step 5: Solve for x
    x = 129,331.40/388.42
  6. Step 6: Final answer
    x = 332.97

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.