Finding the Fourth Proportional to 572, 858 and 182
Calculator
Solution
The fourth proportional to 572, 858 and 182 is: 273
Step by Step Solution
- Step 1: Write the proportion equation
572 : 858 = 182 : x - Step 2: Convert to fraction form
572/858 = 182/x - Step 3: Cross multiply
572x = 858 × 182 - Step 4: Simplify right side
572x = 156,156 - Step 5: Solve for x
x = 156,156/572 - Step 6: Final answer
x = 273
Related Problems
Find fourth proportional to 286, 429 and 91
Half scale
Find fourth proportional to 1,144, 1,716 and 364
Double scale
Find fourth proportional to 573, 859.50 and 183
Similar ratio
Find fourth proportional to 858, 1,287 and 273
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.