Finding the Fourth Proportional to 173.19, 259.99 and 121.69
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Solution
The fourth proportional to 173.19, 259.99 and 121.69 is: 182.67
Step by Step Solution
- Step 1: Write the proportion equation
173.19 : 259.99 = 121.69 : x - Step 2: Convert to fraction form
173.19/259.99 = 121.69/x - Step 3: Cross multiply
173.19x = 259.99 × 121.69 - Step 4: Simplify right side
173.19x = 31,637.23 - Step 5: Solve for x
x = 31,637.23/173.19 - Step 6: Final answer
x = 182.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.