Home / 358.08-493.87-240.02

Finding the Fourth Proportional to 358.08, 493.87 and 240.02

Calculator

Solution

The fourth proportional to 358.08, 493.87 and 240.02 is: 331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.08 : 493.87 = 240.02 : x
  2. Step 2: Convert to fraction form
    358.08/493.87 = 240.02/x
  3. Step 3: Cross multiply
    358.08x = 493.87 × 240.02
  4. Step 4: Simplify right side
    358.08x = 118,536.51
  5. Step 5: Solve for x
    x = 118,536.51/358.08
  6. Step 6: Final answer
    x = 331.03

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.