Home / 154.61-230.88-146.71

Finding the Fourth Proportional to 154.61, 230.88 and 146.71

Calculator

Solution

The fourth proportional to 154.61, 230.88 and 146.71 is: 219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154.61 : 230.88 = 146.71 : x
  2. Step 2: Convert to fraction form
    154.61/230.88 = 146.71/x
  3. Step 3: Cross multiply
    154.61x = 230.88 × 146.71
  4. Step 4: Simplify right side
    154.61x = 33,872.40
  5. Step 5: Solve for x
    x = 33,872.40/154.61
  6. Step 6: Final answer
    x = 219.08

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.