Finding the Fourth Proportional to 462, 693.04 and 120
Calculator
Solution
The fourth proportional to 462, 693.04 and 120 is: 180.01
Step by Step Solution
- Step 1: Write the proportion equation
462 : 693.04 = 120 : x - Step 2: Convert to fraction form
462/693.04 = 120/x - Step 3: Cross multiply
462x = 693.04 × 120 - Step 4: Simplify right side
462x = 83,164.80 - Step 5: Solve for x
x = 83,164.80/462 - Step 6: Final answer
x = 180.01
Related Problems
Find fourth proportional to 231, 346.52 and 60
Half scale
Find fourth proportional to 924, 1,386.08 and 240
Double scale
Find fourth proportional to 463, 694.54 and 121
Similar ratio
Find fourth proportional to 693, 1,039.56 and 180
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.