Home / 579.33-799.47-317.36

Finding the Fourth Proportional to 579.33, 799.47 and 317.36

Calculator

Solution

The fourth proportional to 579.33, 799.47 and 317.36 is: 437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.33 : 799.47 = 317.36 : x
  2. Step 2: Convert to fraction form
    579.33/799.47 = 317.36/x
  3. Step 3: Cross multiply
    579.33x = 799.47 × 317.36
  4. Step 4: Simplify right side
    579.33x = 253,715.80
  5. Step 5: Solve for x
    x = 253,715.80/579.33
  6. Step 6: Final answer
    x = 437.95

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.