Home / 288.86-433.29-96.49

Finding the Fourth Proportional to 288.86, 433.29 and 96.49

Calculator

Solution

The fourth proportional to 288.86, 433.29 and 96.49 is: 144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    288.86 : 433.29 = 96.49 : x
  2. Step 2: Convert to fraction form
    288.86/433.29 = 96.49/x
  3. Step 3: Cross multiply
    288.86x = 433.29 × 96.49
  4. Step 4: Simplify right side
    288.86x = 41,806.23
  5. Step 5: Solve for x
    x = 41,806.23/288.86
  6. Step 6: Final answer
    x = 144.73

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.