Home / 653.02-979.73-263.20

Finding the Fourth Proportional to 653.02, 979.73 and 263.20

Calculator

Solution

The fourth proportional to 653.02, 979.73 and 263.20 is: 394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    653.02 : 979.73 = 263.20 : x
  2. Step 2: Convert to fraction form
    653.02/979.73 = 263.20/x
  3. Step 3: Cross multiply
    653.02x = 979.73 × 263.20
  4. Step 4: Simplify right side
    653.02x = 257,863.62
  5. Step 5: Solve for x
    x = 257,863.62/653.02
  6. Step 6: Final answer
    x = 394.88

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.