Finding the Fourth Proportional to 16.61, 24.82 and 14.05
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Solution
The fourth proportional to 16.61, 24.82 and 14.05 is: 20.99
Step by Step Solution
- Step 1: Write the proportion equation
16.61 : 24.82 = 14.05 : x - Step 2: Convert to fraction form
16.61/24.82 = 14.05/x - Step 3: Cross multiply
16.61x = 24.82 × 14.05 - Step 4: Simplify right side
16.61x = 348.72 - Step 5: Solve for x
x = 348.72/16.61 - Step 6: Final answer
x = 20.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.