Finding the Fourth Proportional to 802, 1,202.16 and 369.44
Calculator
Solution
The fourth proportional to 802, 1,202.16 and 369.44 is: 553.77
Step by Step Solution
- Step 1: Write the proportion equation
802 : 1,202.16 = 369.44 : x - Step 2: Convert to fraction form
802/1,202.16 = 369.44/x - Step 3: Cross multiply
802x = 1,202.16 × 369.44 - Step 4: Simplify right side
802x = 444,125.99 - Step 5: Solve for x
x = 444,125.99/802 - Step 6: Final answer
x = 553.77
Related Problems
Find fourth proportional to 401, 601.08 and 184.72
Half scale
Find fourth proportional to 1,604, 2,404.32 and 738.88
Double scale
Find fourth proportional to 803, 1,203.66 and 370.44
Similar ratio
Find fourth proportional to 1,203, 1,803.24 and 554.16
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.