Home / 966.64-1,447.38-555.16

Finding the Fourth Proportional to 966.64, 1,447.38 and 555.16

Calculator

Solution

The fourth proportional to 966.64, 1,447.38 and 555.16 is: 831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.64 : 1,447.38 = 555.16 : x
  2. Step 2: Convert to fraction form
    966.64/1,447.38 = 555.16/x
  3. Step 3: Cross multiply
    966.64x = 1,447.38 × 555.16
  4. Step 4: Simplify right side
    966.64x = 803,527.48
  5. Step 5: Solve for x
    x = 803,527.48/966.64
  6. Step 6: Final answer
    x = 831.26

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.