Home / 438.71-658.46-233.45

Finding the Fourth Proportional to 438.71, 658.46 and 233.45

Calculator

Solution

The fourth proportional to 438.71, 658.46 and 233.45 is: 350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    438.71 : 658.46 = 233.45 : x
  2. Step 2: Convert to fraction form
    438.71/658.46 = 233.45/x
  3. Step 3: Cross multiply
    438.71x = 658.46 × 233.45
  4. Step 4: Simplify right side
    438.71x = 153,716.59
  5. Step 5: Solve for x
    x = 153,716.59/438.71
  6. Step 6: Final answer
    x = 350.38

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.