Home / 315.05-472.67-152.85

Finding the Fourth Proportional to 315.05, 472.67 and 152.85

Calculator

Solution

The fourth proportional to 315.05, 472.67 and 152.85 is: 229.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    315.05 : 472.67 = 152.85 : x
  2. Step 2: Convert to fraction form
    315.05/472.67 = 152.85/x
  3. Step 3: Cross multiply
    315.05x = 472.67 × 152.85
  4. Step 4: Simplify right side
    315.05x = 72,245.63
  5. Step 5: Solve for x
    x = 72,245.63/315.05
  6. Step 6: Final answer
    x = 229.32

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.