Home / 356.52-492.02-201.28

Finding the Fourth Proportional to 356.52, 492.02 and 201.28

Calculator

Solution

The fourth proportional to 356.52, 492.02 and 201.28 is: 277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.52 : 492.02 = 201.28 : x
  2. Step 2: Convert to fraction form
    356.52/492.02 = 201.28/x
  3. Step 3: Cross multiply
    356.52x = 492.02 × 201.28
  4. Step 4: Simplify right side
    356.52x = 99,033.79
  5. Step 5: Solve for x
    x = 99,033.79/356.52
  6. Step 6: Final answer
    x = 277.78

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.