Home / 611.77-917.63-178.93

Finding the Fourth Proportional to 611.77, 917.63 and 178.93

Calculator

Solution

The fourth proportional to 611.77, 917.63 and 178.93 is: 268.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.77 : 917.63 = 178.93 : x
  2. Step 2: Convert to fraction form
    611.77/917.63 = 178.93/x
  3. Step 3: Cross multiply
    611.77x = 917.63 × 178.93
  4. Step 4: Simplify right side
    611.77x = 164,186.95
  5. Step 5: Solve for x
    x = 164,186.95/611.77
  6. Step 6: Final answer
    x = 268.38

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.