Home / 443.11-664.54-169.18

Finding the Fourth Proportional to 443.11, 664.54 and 169.18

Calculator

Solution

The fourth proportional to 443.11, 664.54 and 169.18 is: 253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.11 : 664.54 = 169.18 : x
  2. Step 2: Convert to fraction form
    443.11/664.54 = 169.18/x
  3. Step 3: Cross multiply
    443.11x = 664.54 × 169.18
  4. Step 4: Simplify right side
    443.11x = 112,427.92
  5. Step 5: Solve for x
    x = 112,427.92/443.11
  6. Step 6: Final answer
    x = 253.72

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.