Home / 456.39-684.54-250.89

Finding the Fourth Proportional to 456.39, 684.54 and 250.89

Calculator

Solution

The fourth proportional to 456.39, 684.54 and 250.89 is: 376.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    456.39 : 684.54 = 250.89 : x
  2. Step 2: Convert to fraction form
    456.39/684.54 = 250.89/x
  3. Step 3: Cross multiply
    456.39x = 684.54 × 250.89
  4. Step 4: Simplify right side
    456.39x = 171,744.24
  5. Step 5: Solve for x
    x = 171,744.24/456.39
  6. Step 6: Final answer
    x = 376.31

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.