Home / 423.80-584.87-258.02

Finding the Fourth Proportional to 423.80, 584.87 and 258.02

Calculator

Solution

The fourth proportional to 423.80, 584.87 and 258.02 is: 356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.80 : 584.87 = 258.02 : x
  2. Step 2: Convert to fraction form
    423.80/584.87 = 258.02/x
  3. Step 3: Cross multiply
    423.80x = 584.87 × 258.02
  4. Step 4: Simplify right side
    423.80x = 150,903.94
  5. Step 5: Solve for x
    x = 150,903.94/423.80
  6. Step 6: Final answer
    x = 356.08

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.