Home / 290.04-434.71-213.33

Finding the Fourth Proportional to 290.04, 434.71 and 213.33

Calculator

Solution

The fourth proportional to 290.04, 434.71 and 213.33 is: 319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    290.04 : 434.71 = 213.33 : x
  2. Step 2: Convert to fraction form
    290.04/434.71 = 213.33/x
  3. Step 3: Cross multiply
    290.04x = 434.71 × 213.33
  4. Step 4: Simplify right side
    290.04x = 92,736.68
  5. Step 5: Solve for x
    x = 92,736.68/290.04
  6. Step 6: Final answer
    x = 319.74

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.