Home / 152.80-228.10-141.54

Finding the Fourth Proportional to 152.80, 228.10 and 141.54

Calculator

Solution

The fourth proportional to 152.80, 228.10 and 141.54 is: 211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.80 : 228.10 = 141.54 : x
  2. Step 2: Convert to fraction form
    152.80/228.10 = 141.54/x
  3. Step 3: Cross multiply
    152.80x = 228.10 × 141.54
  4. Step 4: Simplify right side
    152.80x = 32,284.37
  5. Step 5: Solve for x
    x = 32,284.37/152.80
  6. Step 6: Final answer
    x = 211.28

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.