Finding the Fourth Proportional to 173.02, 258.93 and 107.99
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Solution
The fourth proportional to 173.02, 258.93 and 107.99 is: 161.61
Step by Step Solution
- Step 1: Write the proportion equation
173.02 : 258.93 = 107.99 : x - Step 2: Convert to fraction form
173.02/258.93 = 107.99/x - Step 3: Cross multiply
173.02x = 258.93 × 107.99 - Step 4: Simplify right side
173.02x = 27,961.85 - Step 5: Solve for x
x = 27,961.85/173.02 - Step 6: Final answer
x = 161.61
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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.