Home / 388.92-583.44-183.69

Finding the Fourth Proportional to 388.92, 583.44 and 183.69

Calculator

Solution

The fourth proportional to 388.92, 583.44 and 183.69 is: 275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    388.92 : 583.44 = 183.69 : x
  2. Step 2: Convert to fraction form
    388.92/583.44 = 183.69/x
  3. Step 3: Cross multiply
    388.92x = 583.44 × 183.69
  4. Step 4: Simplify right side
    388.92x = 107,172.09
  5. Step 5: Solve for x
    x = 107,172.09/388.92
  6. Step 6: Final answer
    x = 275.56

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.