Home / 386.16-532.43-268.23

Finding the Fourth Proportional to 386.16, 532.43 and 268.23

Calculator

Solution

The fourth proportional to 386.16, 532.43 and 268.23 is: 369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    386.16 : 532.43 = 268.23 : x
  2. Step 2: Convert to fraction form
    386.16/532.43 = 268.23/x
  3. Step 3: Cross multiply
    386.16x = 532.43 × 268.23
  4. Step 4: Simplify right side
    386.16x = 142,816.87
  5. Step 5: Solve for x
    x = 142,816.87/386.16
  6. Step 6: Final answer
    x = 369.84

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.