Finding the Fourth Proportional to 184.65, 276.99 and 47.70
Calculator
Solution
The fourth proportional to 184.65, 276.99 and 47.70 is: 71.55
Step by Step Solution
- Step 1: Write the proportion equation
184.65 : 276.99 = 47.70 : x - Step 2: Convert to fraction form
184.65/276.99 = 47.70/x - Step 3: Cross multiply
184.65x = 276.99 × 47.70 - Step 4: Simplify right side
184.65x = 13,212.42 - Step 5: Solve for x
x = 13,212.42/184.65 - Step 6: Final answer
x = 71.55
Related Problems
Find fourth proportional to 92.33, 138.50 and 23.85
Half scale
Find fourth proportional to 369.30, 553.98 and 95.40
Double scale
Find fourth proportional to 185.65, 278.49 and 48.70
Similar ratio
Find fourth proportional to 276.98, 415.49 and 71.55
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.