Home / 385.54-532.06-238.12

Finding the Fourth Proportional to 385.54, 532.06 and 238.12

Calculator

Solution

The fourth proportional to 385.54, 532.06 and 238.12 is: 328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    385.54 : 532.06 = 238.12 : x
  2. Step 2: Convert to fraction form
    385.54/532.06 = 238.12/x
  3. Step 3: Cross multiply
    385.54x = 532.06 × 238.12
  4. Step 4: Simplify right side
    385.54x = 126,694.13
  5. Step 5: Solve for x
    x = 126,694.13/385.54
  6. Step 6: Final answer
    x = 328.61

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.