Home / 423.40-584.25-236.86

Finding the Fourth Proportional to 423.40, 584.25 and 236.86

Calculator

Solution

The fourth proportional to 423.40, 584.25 and 236.86 is: 326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.40 : 584.25 = 236.86 : x
  2. Step 2: Convert to fraction form
    423.40/584.25 = 236.86/x
  3. Step 3: Cross multiply
    423.40x = 584.25 × 236.86
  4. Step 4: Simplify right side
    423.40x = 138,385.46
  5. Step 5: Solve for x
    x = 138,385.46/423.40
  6. Step 6: Final answer
    x = 326.84

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.