Finding the Fourth Proportional to 983, 1,474.50 and 365.99
Calculator
Solution
The fourth proportional to 983, 1,474.50 and 365.99 is: 548.99
Step by Step Solution
- Step 1: Write the proportion equation
983 : 1,474.50 = 365.99 : x - Step 2: Convert to fraction form
983/1,474.50 = 365.99/x - Step 3: Cross multiply
983x = 1,474.50 × 365.99 - Step 4: Simplify right side
983x = 539,652.26 - Step 5: Solve for x
x = 539,652.26/983 - Step 6: Final answer
x = 548.99
Related Problems
Find fourth proportional to 491.50, 737.25 and 183.00
Half scale
Find fourth proportional to 1,966, 2,949 and 731.98
Double scale
Find fourth proportional to 984, 1,476 and 366.99
Similar ratio
Find fourth proportional to 1,474.50, 2,211.75 and 548.99
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.