Home / 265.84-398.40-169.48

Finding the Fourth Proportional to 265.84, 398.40 and 169.48

Calculator

Solution

The fourth proportional to 265.84, 398.40 and 169.48 is: 253.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.84 : 398.40 = 169.48 : x
  2. Step 2: Convert to fraction form
    265.84/398.40 = 169.48/x
  3. Step 3: Cross multiply
    265.84x = 398.40 × 169.48
  4. Step 4: Simplify right side
    265.84x = 67,520.83
  5. Step 5: Solve for x
    x = 67,520.83/265.84
  6. Step 6: Final answer
    x = 253.99

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.