Finding the Fourth Proportional to 929.60, 1,346 and 929.60
Calculator
Solution
The fourth proportional to 929.60, 1,346 and 929.60 is: 1,346
Step by Step Solution
- Step 1: Write the proportion equation
929.60 : 1,346 = 929.60 : x - Step 2: Convert to fraction form
929.60/1,346 = 929.60/x - Step 3: Cross multiply
929.60x = 1,346 × 929.60 - Step 4: Simplify right side
929.60x = 1,251,241.60 - Step 5: Solve for x
x = 1,251,241.60/929.60 - Step 6: Final answer
x = 1,346
Related Problems
Find fourth proportional to 464.80, 673 and 464.80
Half scale
Find fourth proportional to 1,859.20, 2,692 and 1,859.20
Double scale
Find fourth proportional to 930.60, 1,347.45 and 930.60
Similar ratio
Find fourth proportional to 1,394.40, 2,019 and 1,394.40
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.