Home / 668.06-921.97-373.38

Finding the Fourth Proportional to 668.06, 921.97 and 373.38

Calculator

Solution

The fourth proportional to 668.06, 921.97 and 373.38 is: 515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    668.06 : 921.97 = 373.38 : x
  2. Step 2: Convert to fraction form
    668.06/921.97 = 373.38/x
  3. Step 3: Cross multiply
    668.06x = 921.97 × 373.38
  4. Step 4: Simplify right side
    668.06x = 344,245.16
  5. Step 5: Solve for x
    x = 344,245.16/668.06
  6. Step 6: Final answer
    x = 515.29

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.