Home / 351.48-485.02-194.09

Finding the Fourth Proportional to 351.48, 485.02 and 194.09

Calculator

Solution

The fourth proportional to 351.48, 485.02 and 194.09 is: 267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.48 : 485.02 = 194.09 : x
  2. Step 2: Convert to fraction form
    351.48/485.02 = 194.09/x
  3. Step 3: Cross multiply
    351.48x = 485.02 × 194.09
  4. Step 4: Simplify right side
    351.48x = 94,137.53
  5. Step 5: Solve for x
    x = 94,137.53/351.48
  6. Step 6: Final answer
    x = 267.83

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.