Home / 503.06-754.50-194.78

Finding the Fourth Proportional to 503.06, 754.50 and 194.78

Calculator

Solution

The fourth proportional to 503.06, 754.50 and 194.78 is: 292.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.06 : 754.50 = 194.78 : x
  2. Step 2: Convert to fraction form
    503.06/754.50 = 194.78/x
  3. Step 3: Cross multiply
    503.06x = 754.50 × 194.78
  4. Step 4: Simplify right side
    503.06x = 146,961.51
  5. Step 5: Solve for x
    x = 146,961.51/503.06
  6. Step 6: Final answer
    x = 292.14

Related Problems

Find fourth proportional to 251.53, 377.25 and 97.39
Half scale
Find fourth proportional to 1,006.12, 1,509 and 389.56
Double scale
Find fourth proportional to 504.06, 756 and 195.78
Similar ratio
Find fourth proportional to 754.59, 1,131.75 and 292.17
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.