Home / 222.44-333.66-78.14

Finding the Fourth Proportional to 222.44, 333.66 and 78.14

Calculator

Solution

The fourth proportional to 222.44, 333.66 and 78.14 is: 117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.44 : 333.66 = 78.14 : x
  2. Step 2: Convert to fraction form
    222.44/333.66 = 78.14/x
  3. Step 3: Cross multiply
    222.44x = 333.66 × 78.14
  4. Step 4: Simplify right side
    222.44x = 26,072.19
  5. Step 5: Solve for x
    x = 26,072.19/222.44
  6. Step 6: Final answer
    x = 117.21

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.