Home / 455.59-683.17-130.89

Finding the Fourth Proportional to 455.59, 683.17 and 130.89

Calculator

Solution

The fourth proportional to 455.59, 683.17 and 130.89 is: 196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    455.59 : 683.17 = 130.89 : x
  2. Step 2: Convert to fraction form
    455.59/683.17 = 130.89/x
  3. Step 3: Cross multiply
    455.59x = 683.17 × 130.89
  4. Step 4: Simplify right side
    455.59x = 89,419.79
  5. Step 5: Solve for x
    x = 89,419.79/455.59
  6. Step 6: Final answer
    x = 196.27

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.