Home / 306.09-458.19-228.60

Finding the Fourth Proportional to 306.09, 458.19 and 228.60

Calculator

Solution

The fourth proportional to 306.09, 458.19 and 228.60 is: 342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.09 : 458.19 = 228.60 : x
  2. Step 2: Convert to fraction form
    306.09/458.19 = 228.60/x
  3. Step 3: Cross multiply
    306.09x = 458.19 × 228.60
  4. Step 4: Simplify right side
    306.09x = 104,742.23
  5. Step 5: Solve for x
    x = 104,742.23/306.09
  6. Step 6: Final answer
    x = 342.19

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.