Home / 213.45-294.54-130.58

Finding the Fourth Proportional to 213.45, 294.54 and 130.58

Calculator

Solution

The fourth proportional to 213.45, 294.54 and 130.58 is: 180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    213.45 : 294.54 = 130.58 : x
  2. Step 2: Convert to fraction form
    213.45/294.54 = 130.58/x
  3. Step 3: Cross multiply
    213.45x = 294.54 × 130.58
  4. Step 4: Simplify right side
    213.45x = 38,461.03
  5. Step 5: Solve for x
    x = 38,461.03/213.45
  6. Step 6: Final answer
    x = 180.19

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.