Home / 364.86-547.37-121.39

Finding the Fourth Proportional to 364.86, 547.37 and 121.39

Calculator

Solution

The fourth proportional to 364.86, 547.37 and 121.39 is: 182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.86 : 547.37 = 121.39 : x
  2. Step 2: Convert to fraction form
    364.86/547.37 = 121.39/x
  3. Step 3: Cross multiply
    364.86x = 547.37 × 121.39
  4. Step 4: Simplify right side
    364.86x = 66,445.24
  5. Step 5: Solve for x
    x = 66,445.24/364.86
  6. Step 6: Final answer
    x = 182.11

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.