Finding the Fourth Proportional to 965.36, 1,448.04 and 452
Calculator
Solution
The fourth proportional to 965.36, 1,448.04 and 452 is: 678
Step by Step Solution
- Step 1: Write the proportion equation
965.36 : 1,448.04 = 452 : x - Step 2: Convert to fraction form
965.36/1,448.04 = 452/x - Step 3: Cross multiply
965.36x = 1,448.04 × 452 - Step 4: Simplify right side
965.36x = 654,514.08 - Step 5: Solve for x
x = 654,514.08/965.36 - Step 6: Final answer
x = 678
Related Problems
Find fourth proportional to 482.68, 724.02 and 226
Half scale
Find fourth proportional to 1,930.72, 2,896.08 and 904
Double scale
Find fourth proportional to 966.36, 1,449.54 and 453
Similar ratio
Find fourth proportional to 1,448.04, 2,172.06 and 678
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.