Home / 456.63-684.94-114.63

Finding the Fourth Proportional to 456.63, 684.94 and 114.63

Calculator

Solution

The fourth proportional to 456.63, 684.94 and 114.63 is: 171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    456.63 : 684.94 = 114.63 : x
  2. Step 2: Convert to fraction form
    456.63/684.94 = 114.63/x
  3. Step 3: Cross multiply
    456.63x = 684.94 × 114.63
  4. Step 4: Simplify right side
    456.63x = 78,511.25
  5. Step 5: Solve for x
    x = 78,511.25/456.63
  6. Step 6: Final answer
    x = 171.94

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.