Finding the Fourth Proportional to 277.02, 415.61 and 122.99
Calculator
Solution
The fourth proportional to 277.02, 415.61 and 122.99 is: 184.51
Step by Step Solution
- Step 1: Write the proportion equation
277.02 : 415.61 = 122.99 : x - Step 2: Convert to fraction form
277.02/415.61 = 122.99/x - Step 3: Cross multiply
277.02x = 415.61 × 122.99 - Step 4: Simplify right side
277.02x = 51,113.18 - Step 5: Solve for x
x = 51,113.18/277.02 - Step 6: Final answer
x = 184.51
Related Problems
Find fourth proportional to 138.51, 207.80 and 61.49
Half scale
Find fourth proportional to 554.04, 831.21 and 245.97
Double scale
Find fourth proportional to 278.02, 417.11 and 123.99
Similar ratio
Find fourth proportional to 415.53, 623.41 and 184.48
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.