Home / 495.81-683.87-385.52

Finding the Fourth Proportional to 495.81, 683.87 and 385.52

Calculator

Solution

The fourth proportional to 495.81, 683.87 and 385.52 is: 531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.81 : 683.87 = 385.52 : x
  2. Step 2: Convert to fraction form
    495.81/683.87 = 385.52/x
  3. Step 3: Cross multiply
    495.81x = 683.87 × 385.52
  4. Step 4: Simplify right side
    495.81x = 263,640.22
  5. Step 5: Solve for x
    x = 263,640.22/495.81
  6. Step 6: Final answer
    x = 531.74

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.