Finding the Fourth Proportional to 536.99, 740.80 and 327.08
Calculator
Solution
The fourth proportional to 536.99, 740.80 and 327.08 is: 451.22
Step by Step Solution
- Step 1: Write the proportion equation
536.99 : 740.80 = 327.08 : x - Step 2: Convert to fraction form
536.99/740.80 = 327.08/x - Step 3: Cross multiply
536.99x = 740.80 × 327.08 - Step 4: Simplify right side
536.99x = 242,299.23 - Step 5: Solve for x
x = 242,299.23/536.99 - Step 6: Final answer
x = 451.22
Related Problems
Find fourth proportional to 268.49, 370.40 and 163.54
Half scale
Find fourth proportional to 1,073.97, 1,481.59 and 654.16
Double scale
Find fourth proportional to 537.99, 742.17 and 328.08
Similar ratio
Find fourth proportional to 805.48, 1,111.19 and 490.62
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.