Finding the Fourth Proportional to 23.05, 34.55 and 17.99
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Solution
The fourth proportional to 23.05, 34.55 and 17.99 is: 26.96
Step by Step Solution
- Step 1: Write the proportion equation
23.05 : 34.55 = 17.99 : x - Step 2: Convert to fraction form
23.05/34.55 = 17.99/x - Step 3: Cross multiply
23.05x = 34.55 × 17.99 - Step 4: Simplify right side
23.05x = 621.38 - Step 5: Solve for x
x = 621.38/23.05 - Step 6: Final answer
x = 26.96
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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.