Home / 414.30-621.48-170.84

Finding the Fourth Proportional to 414.30, 621.48 and 170.84

Calculator

Solution

The fourth proportional to 414.30, 621.48 and 170.84 is: 256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.30 : 621.48 = 170.84 : x
  2. Step 2: Convert to fraction form
    414.30/621.48 = 170.84/x
  3. Step 3: Cross multiply
    414.30x = 621.48 × 170.84
  4. Step 4: Simplify right side
    414.30x = 106,173.64
  5. Step 5: Solve for x
    x = 106,173.64/414.30
  6. Step 6: Final answer
    x = 256.27

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.