Home / 340.86-511.10-232.78

Finding the Fourth Proportional to 340.86, 511.10 and 232.78

Calculator

Solution

The fourth proportional to 340.86, 511.10 and 232.78 is: 349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.86 : 511.10 = 232.78 : x
  2. Step 2: Convert to fraction form
    340.86/511.10 = 232.78/x
  3. Step 3: Cross multiply
    340.86x = 511.10 × 232.78
  4. Step 4: Simplify right side
    340.86x = 118,973.86
  5. Step 5: Solve for x
    x = 118,973.86/340.86
  6. Step 6: Final answer
    x = 349.04

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.