Finding the Fourth Proportional to 551.04, 825.40 and 367.84
Calculator
Solution
The fourth proportional to 551.04, 825.40 and 367.84 is: 550.99
Step by Step Solution
- Step 1: Write the proportion equation
551.04 : 825.40 = 367.84 : x - Step 2: Convert to fraction form
551.04/825.40 = 367.84/x - Step 3: Cross multiply
551.04x = 825.40 × 367.84 - Step 4: Simplify right side
551.04x = 303,615.14 - Step 5: Solve for x
x = 303,615.14/551.04 - Step 6: Final answer
x = 550.99
Related Problems
Find fourth proportional to 275.52, 412.70 and 183.92
Half scale
Find fourth proportional to 1,102.08, 1,650.80 and 735.68
Double scale
Find fourth proportional to 552.04, 826.90 and 368.84
Similar ratio
Find fourth proportional to 826.56, 1,238.10 and 551.76
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.