Home / 403.32-605.02-129.34

Finding the Fourth Proportional to 403.32, 605.02 and 129.34

Calculator

Solution

The fourth proportional to 403.32, 605.02 and 129.34 is: 194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.32 : 605.02 = 129.34 : x
  2. Step 2: Convert to fraction form
    403.32/605.02 = 129.34/x
  3. Step 3: Cross multiply
    403.32x = 605.02 × 129.34
  4. Step 4: Simplify right side
    403.32x = 78,253.29
  5. Step 5: Solve for x
    x = 78,253.29/403.32
  6. Step 6: Final answer
    x = 194.02

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.