Home / 807.42-1,211.36-368.96

Finding the Fourth Proportional to 807.42, 1,211.36 and 368.96

Calculator

Solution

The fourth proportional to 807.42, 1,211.36 and 368.96 is: 553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    807.42 : 1,211.36 = 368.96 : x
  2. Step 2: Convert to fraction form
    807.42/1,211.36 = 368.96/x
  3. Step 3: Cross multiply
    807.42x = 1,211.36 × 368.96
  4. Step 4: Simplify right side
    807.42x = 446,935.48
  5. Step 5: Solve for x
    x = 446,935.48/807.42
  6. Step 6: Final answer
    x = 553.54

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.