Finding the Fourth Proportional to 173, 259.54 and 59
Calculator
Solution
The fourth proportional to 173, 259.54 and 59 is: 88.51
Step by Step Solution
- Step 1: Write the proportion equation
173 : 259.54 = 59 : x - Step 2: Convert to fraction form
173/259.54 = 59/x - Step 3: Cross multiply
173x = 259.54 × 59 - Step 4: Simplify right side
173x = 15,312.86 - Step 5: Solve for x
x = 15,312.86/173 - Step 6: Final answer
x = 88.51
Related Problems
Find fourth proportional to 86.50, 129.77 and 29.50
Half scale
Find fourth proportional to 346, 519.08 and 118
Double scale
Find fourth proportional to 174, 261.04 and 60
Similar ratio
Find fourth proportional to 259.50, 389.31 and 88.50
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.