Home / 663.78-995.76-230.86

Finding the Fourth Proportional to 663.78, 995.76 and 230.86

Calculator

Solution

The fourth proportional to 663.78, 995.76 and 230.86 is: 346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    663.78 : 995.76 = 230.86 : x
  2. Step 2: Convert to fraction form
    663.78/995.76 = 230.86/x
  3. Step 3: Cross multiply
    663.78x = 995.76 × 230.86
  4. Step 4: Simplify right side
    663.78x = 229,881.15
  5. Step 5: Solve for x
    x = 229,881.15/663.78
  6. Step 6: Final answer
    x = 346.32

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.