Home / 328.47-492.75-112.02

Finding the Fourth Proportional to 328.47, 492.75 and 112.02

Calculator

Solution

The fourth proportional to 328.47, 492.75 and 112.02 is: 168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328.47 : 492.75 = 112.02 : x
  2. Step 2: Convert to fraction form
    328.47/492.75 = 112.02/x
  3. Step 3: Cross multiply
    328.47x = 492.75 × 112.02
  4. Step 4: Simplify right side
    328.47x = 55,197.86
  5. Step 5: Solve for x
    x = 55,197.86/328.47
  6. Step 6: Final answer
    x = 168.05

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.