Finding the Fourth Proportional to 17.19, 23.57 and 16.99
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Solution
The fourth proportional to 17.19, 23.57 and 16.99 is: 23.29
Step by Step Solution
- Step 1: Write the proportion equation
17.19 : 23.57 = 16.99 : x - Step 2: Convert to fraction form
17.19/23.57 = 16.99/x - Step 3: Cross multiply
17.19x = 23.57 × 16.99 - Step 4: Simplify right side
17.19x = 400.44 - Step 5: Solve for x
x = 400.44/17.19 - Step 6: Final answer
x = 23.29
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.