Home / 245.46-338.74-134.94

Finding the Fourth Proportional to 245.46, 338.74 and 134.94

Calculator

Solution

The fourth proportional to 245.46, 338.74 and 134.94 is: 186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.46 : 338.74 = 134.94 : x
  2. Step 2: Convert to fraction form
    245.46/338.74 = 134.94/x
  3. Step 3: Cross multiply
    245.46x = 338.74 × 134.94
  4. Step 4: Simplify right side
    245.46x = 45,708.98
  5. Step 5: Solve for x
    x = 45,708.98/245.46
  6. Step 6: Final answer
    x = 186.22

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.