Home / 259.71-358.34-154.77

Finding the Fourth Proportional to 259.71, 358.34 and 154.77

Calculator

Solution

The fourth proportional to 259.71, 358.34 and 154.77 is: 213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    259.71 : 358.34 = 154.77 : x
  2. Step 2: Convert to fraction form
    259.71/358.34 = 154.77/x
  3. Step 3: Cross multiply
    259.71x = 358.34 × 154.77
  4. Step 4: Simplify right side
    259.71x = 55,459.51
  5. Step 5: Solve for x
    x = 55,459.51/259.71
  6. Step 6: Final answer
    x = 213.54

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.