Home / 622.70-934.15-189.75

Finding the Fourth Proportional to 622.70, 934.15 and 189.75

Calculator

Solution

The fourth proportional to 622.70, 934.15 and 189.75 is: 284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.70 : 934.15 = 189.75 : x
  2. Step 2: Convert to fraction form
    622.70/934.15 = 189.75/x
  3. Step 3: Cross multiply
    622.70x = 934.15 × 189.75
  4. Step 4: Simplify right side
    622.70x = 177,254.49
  5. Step 5: Solve for x
    x = 177,254.49/622.70
  6. Step 6: Final answer
    x = 284.66

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.