Home / 511.49-767.45-186.93

Finding the Fourth Proportional to 511.49, 767.45 and 186.93

Calculator

Solution

The fourth proportional to 511.49, 767.45 and 186.93 is: 280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.49 : 767.45 = 186.93 : x
  2. Step 2: Convert to fraction form
    511.49/767.45 = 186.93/x
  3. Step 3: Cross multiply
    511.49x = 767.45 × 186.93
  4. Step 4: Simplify right side
    511.49x = 143,459.90
  5. Step 5: Solve for x
    x = 143,459.90/511.49
  6. Step 6: Final answer
    x = 280.47

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.