Home / 98.45-147.66-52.82

Finding the Fourth Proportional to 98.45, 147.66 and 52.82

Calculator

Solution

The fourth proportional to 98.45, 147.66 and 52.82 is: 79.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98.45 : 147.66 = 52.82 : x
  2. Step 2: Convert to fraction form
    98.45/147.66 = 52.82/x
  3. Step 3: Cross multiply
    98.45x = 147.66 × 52.82
  4. Step 4: Simplify right side
    98.45x = 7,799.02
  5. Step 5: Solve for x
    x = 7,799.02/98.45
  6. Step 6: Final answer
    x = 79.22

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.