Home / 503-754.62-161

Finding the Fourth Proportional to 503, 754.62 and 161

Calculator

Solution

The fourth proportional to 503, 754.62 and 161 is: 241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    503 : 754.62 = 161 : x
  2. Step 2: Convert to fraction form
    503/754.62 = 161/x
  3. Step 3: Cross multiply
    503x = 754.62 × 161
  4. Step 4: Simplify right side
    503x = 121,493.82
  5. Step 5: Solve for x
    x = 121,493.82/503
  6. Step 6: Final answer
    x = 241.54

Related Problems

Find fourth proportional to 251.50, 377.31 and 80.50
Half scale
Find fourth proportional to 1,006, 1,509.24 and 322
Double scale
Find fourth proportional to 504, 756.12 and 162
Similar ratio
Find fourth proportional to 754.50, 1,131.93 and 241.50
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.