Finding the Fourth Proportional to 16.41, 24.59 and 15.79
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Solution
The fourth proportional to 16.41, 24.59 and 15.79 is: 23.65
Step by Step Solution
- Step 1: Write the proportion equation
16.41 : 24.59 = 15.79 : x - Step 2: Convert to fraction form
16.41/24.59 = 15.79/x - Step 3: Cross multiply
16.41x = 24.59 × 15.79 - Step 4: Simplify right side
16.41x = 388.23 - Step 5: Solve for x
x = 388.23/16.41 - Step 6: Final answer
x = 23.65
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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.