Home / 235.80-330.60-235.80

Finding the Fourth Proportional to 235.80, 330.60 and 235.80

Calculator

Solution

The fourth proportional to 235.80, 330.60 and 235.80 is: 330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.80 : 330.60 = 235.80 : x
  2. Step 2: Convert to fraction form
    235.80/330.60 = 235.80/x
  3. Step 3: Cross multiply
    235.80x = 330.60 × 235.80
  4. Step 4: Simplify right side
    235.80x = 77,955.48
  5. Step 5: Solve for x
    x = 77,955.48/235.80
  6. Step 6: Final answer
    x = 330.60

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.