Home / 152.10-228.21-43.92

Finding the Fourth Proportional to 152.10, 228.21 and 43.92

Calculator

Solution

The fourth proportional to 152.10, 228.21 and 43.92 is: 65.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.10 : 228.21 = 43.92 : x
  2. Step 2: Convert to fraction form
    152.10/228.21 = 43.92/x
  3. Step 3: Cross multiply
    152.10x = 228.21 × 43.92
  4. Step 4: Simplify right side
    152.10x = 10,022.98
  5. Step 5: Solve for x
    x = 10,022.98/152.10
  6. Step 6: Final answer
    x = 65.90

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.