Home / 236.72-326.03-218.50

Finding the Fourth Proportional to 236.72, 326.03 and 218.50

Calculator

Solution

The fourth proportional to 236.72, 326.03 and 218.50 is: 300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.72 : 326.03 = 218.50 : x
  2. Step 2: Convert to fraction form
    236.72/326.03 = 218.50/x
  3. Step 3: Cross multiply
    236.72x = 326.03 × 218.50
  4. Step 4: Simplify right side
    236.72x = 71,235.65
  5. Step 5: Solve for x
    x = 71,235.65/236.72
  6. Step 6: Final answer
    x = 300.92

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.