Home / 159.12-238.64-62.88

Finding the Fourth Proportional to 159.12, 238.64 and 62.88

Calculator

Solution

The fourth proportional to 159.12, 238.64 and 62.88 is: 94.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.12 : 238.64 = 62.88 : x
  2. Step 2: Convert to fraction form
    159.12/238.64 = 62.88/x
  3. Step 3: Cross multiply
    159.12x = 238.64 × 62.88
  4. Step 4: Simplify right side
    159.12x = 15,005.68
  5. Step 5: Solve for x
    x = 15,005.68/159.12
  6. Step 6: Final answer
    x = 94.30

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.