Home / 777.37-1,165.96-290.29

Finding the Fourth Proportional to 777.37, 1,165.96 and 290.29

Calculator

Solution

The fourth proportional to 777.37, 1,165.96 and 290.29 is: 435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    777.37 : 1,165.96 = 290.29 : x
  2. Step 2: Convert to fraction form
    777.37/1,165.96 = 290.29/x
  3. Step 3: Cross multiply
    777.37x = 1,165.96 × 290.29
  4. Step 4: Simplify right side
    777.37x = 338,459.25
  5. Step 5: Solve for x
    x = 338,459.25/777.37
  6. Step 6: Final answer
    x = 435.39

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.