Home / 577.80-866.74-167

Finding the Fourth Proportional to 577.80, 866.74 and 167

Calculator

Solution

The fourth proportional to 577.80, 866.74 and 167 is: 250.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.80 : 866.74 = 167 : x
  2. Step 2: Convert to fraction form
    577.80/866.74 = 167/x
  3. Step 3: Cross multiply
    577.80x = 866.74 × 167
  4. Step 4: Simplify right side
    577.80x = 144,745.58
  5. Step 5: Solve for x
    x = 144,745.58/577.80
  6. Step 6: Final answer
    x = 250.51

Related Problems

Find fourth proportional to 288.90, 433.37 and 83.50
Half scale
Find fourth proportional to 1,155.60, 1,733.48 and 334
Double scale
Find fourth proportional to 578.80, 868.24 and 168
Similar ratio
Find fourth proportional to 866.70, 1,300.11 and 250.50
1.5x scale

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.