Finding the Fourth Proportional to 964.48, 1,446.64 and 532
Calculator
Solution
The fourth proportional to 964.48, 1,446.64 and 532 is: 797.96
Step by Step Solution
- Step 1: Write the proportion equation
964.48 : 1,446.64 = 532 : x - Step 2: Convert to fraction form
964.48/1,446.64 = 532/x - Step 3: Cross multiply
964.48x = 1,446.64 × 532 - Step 4: Simplify right side
964.48x = 769,612.48 - Step 5: Solve for x
x = 769,612.48/964.48 - Step 6: Final answer
x = 797.96
Related Problems
Find fourth proportional to 482.24, 723.32 and 266
Half scale
Find fourth proportional to 1,928.96, 2,893.28 and 1,064
Double scale
Find fourth proportional to 965.48, 1,448.14 and 533
Similar ratio
Find fourth proportional to 1,446.72, 2,169.96 and 798
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.