Finding the Fourth Proportional to 568.18, 785.49 and 562.99
Calculator
Solution
The fourth proportional to 568.18, 785.49 and 562.99 is: 778.32
Step by Step Solution
- Step 1: Write the proportion equation
568.18 : 785.49 = 562.99 : x - Step 2: Convert to fraction form
568.18/785.49 = 562.99/x - Step 3: Cross multiply
568.18x = 785.49 × 562.99 - Step 4: Simplify right side
568.18x = 442,221.37 - Step 5: Solve for x
x = 442,221.37/568.18 - Step 6: Final answer
x = 778.32
Related Problems
Find fourth proportional to 284.09, 392.75 and 281.49
Half scale
Find fourth proportional to 1,136.35, 1,570.98 and 1,125.97
Double scale
Find fourth proportional to 569.18, 786.87 and 563.99
Similar ratio
Find fourth proportional to 852.26, 1,178.24 and 844.48
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.