Home / 427.59-590.07-231.10

Finding the Fourth Proportional to 427.59, 590.07 and 231.10

Calculator

Solution

The fourth proportional to 427.59, 590.07 and 231.10 is: 318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    427.59 : 590.07 = 231.10 : x
  2. Step 2: Convert to fraction form
    427.59/590.07 = 231.10/x
  3. Step 3: Cross multiply
    427.59x = 590.07 × 231.10
  4. Step 4: Simplify right side
    427.59x = 136,363.86
  5. Step 5: Solve for x
    x = 136,363.86/427.59
  6. Step 6: Final answer
    x = 318.91

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.