Finding the Fourth Proportional to 916, 1,374 and 232
Calculator
Solution
The fourth proportional to 916, 1,374 and 232 is: 348
Step by Step Solution
- Step 1: Write the proportion equation
916 : 1,374 = 232 : x - Step 2: Convert to fraction form
916/1,374 = 232/x - Step 3: Cross multiply
916x = 1,374 × 232 - Step 4: Simplify right side
916x = 318,768 - Step 5: Solve for x
x = 318,768/916 - Step 6: Final answer
x = 348
Related Problems
Find fourth proportional to 458, 687 and 116
Half scale
Find fourth proportional to 1,832, 2,748 and 464
Double scale
Find fourth proportional to 917, 1,375.50 and 233
Similar ratio
Find fourth proportional to 1,374, 2,061 and 348
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.