Home / 554.29-831.30-189.07

Finding the Fourth Proportional to 554.29, 831.30 and 189.07

Calculator

Solution

The fourth proportional to 554.29, 831.30 and 189.07 is: 283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.29 : 831.30 = 189.07 : x
  2. Step 2: Convert to fraction form
    554.29/831.30 = 189.07/x
  3. Step 3: Cross multiply
    554.29x = 831.30 × 189.07
  4. Step 4: Simplify right side
    554.29x = 157,173.89
  5. Step 5: Solve for x
    x = 157,173.89/554.29
  6. Step 6: Final answer
    x = 283.56

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.