Home / 383.09-574.67-188.19

Finding the Fourth Proportional to 383.09, 574.67 and 188.19

Calculator

Solution

The fourth proportional to 383.09, 574.67 and 188.19 is: 282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.09 : 574.67 = 188.19 : x
  2. Step 2: Convert to fraction form
    383.09/574.67 = 188.19/x
  3. Step 3: Cross multiply
    383.09x = 574.67 × 188.19
  4. Step 4: Simplify right side
    383.09x = 108,147.15
  5. Step 5: Solve for x
    x = 108,147.15/383.09
  6. Step 6: Final answer
    x = 282.30

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.