Home / 451.60-677.40-177.54

Finding the Fourth Proportional to 451.60, 677.40 and 177.54

Calculator

Solution

The fourth proportional to 451.60, 677.40 and 177.54 is: 266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.60 : 677.40 = 177.54 : x
  2. Step 2: Convert to fraction form
    451.60/677.40 = 177.54/x
  3. Step 3: Cross multiply
    451.60x = 677.40 × 177.54
  4. Step 4: Simplify right side
    451.60x = 120,266.44
  5. Step 5: Solve for x
    x = 120,266.44/451.60
  6. Step 6: Final answer
    x = 266.31

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.