Home / 495-683.24-354.87

Finding the Fourth Proportional to 495, 683.24 and 354.87

Calculator

Solution

The fourth proportional to 495, 683.24 and 354.87 is: 489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    495 : 683.24 = 354.87 : x
  2. Step 2: Convert to fraction form
    495/683.24 = 354.87/x
  3. Step 3: Cross multiply
    495x = 683.24 × 354.87
  4. Step 4: Simplify right side
    495x = 242,459.60
  5. Step 5: Solve for x
    x = 242,459.60/495
  6. Step 6: Final answer
    x = 489.82

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.