Home / 538.34-807.30-230.34

Finding the Fourth Proportional to 538.34, 807.30 and 230.34

Calculator

Solution

The fourth proportional to 538.34, 807.30 and 230.34 is: 345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.34 : 807.30 = 230.34 : x
  2. Step 2: Convert to fraction form
    538.34/807.30 = 230.34/x
  3. Step 3: Cross multiply
    538.34x = 807.30 × 230.34
  4. Step 4: Simplify right side
    538.34x = 185,953.48
  5. Step 5: Solve for x
    x = 185,953.48/538.34
  6. Step 6: Final answer
    x = 345.42

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.