Home / 618.49-927.59-289.66

Finding the Fourth Proportional to 618.49, 927.59 and 289.66

Calculator

Solution

The fourth proportional to 618.49, 927.59 and 289.66 is: 434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.49 : 927.59 = 289.66 : x
  2. Step 2: Convert to fraction form
    618.49/927.59 = 289.66/x
  3. Step 3: Cross multiply
    618.49x = 927.59 × 289.66
  4. Step 4: Simplify right side
    618.49x = 268,684.12
  5. Step 5: Solve for x
    x = 268,684.12/618.49
  6. Step 6: Final answer
    x = 434.42

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.