Home / 243.72-365.47-89.54

Finding the Fourth Proportional to 243.72, 365.47 and 89.54

Calculator

Solution

The fourth proportional to 243.72, 365.47 and 89.54 is: 134.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.72 : 365.47 = 89.54 : x
  2. Step 2: Convert to fraction form
    243.72/365.47 = 89.54/x
  3. Step 3: Cross multiply
    243.72x = 365.47 × 89.54
  4. Step 4: Simplify right side
    243.72x = 32,724.18
  5. Step 5: Solve for x
    x = 32,724.18/243.72
  6. Step 6: Final answer
    x = 134.27

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.