Home / 659.71-910.03-581.22

Finding the Fourth Proportional to 659.71, 910.03 and 581.22

Calculator

Solution

The fourth proportional to 659.71, 910.03 and 581.22 is: 801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    659.71 : 910.03 = 581.22 : x
  2. Step 2: Convert to fraction form
    659.71/910.03 = 581.22/x
  3. Step 3: Cross multiply
    659.71x = 910.03 × 581.22
  4. Step 4: Simplify right side
    659.71x = 528,921.48
  5. Step 5: Solve for x
    x = 528,921.48/659.71
  6. Step 6: Final answer
    x = 801.75

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.