Home / 407.32-611.04-163.81

Finding the Fourth Proportional to 407.32, 611.04 and 163.81

Calculator

Solution

The fourth proportional to 407.32, 611.04 and 163.81 is: 245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.32 : 611.04 = 163.81 : x
  2. Step 2: Convert to fraction form
    407.32/611.04 = 163.81/x
  3. Step 3: Cross multiply
    407.32x = 611.04 × 163.81
  4. Step 4: Simplify right side
    407.32x = 100,094.46
  5. Step 5: Solve for x
    x = 100,094.46/407.32
  6. Step 6: Final answer
    x = 245.74

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.