Finding the Fourth Proportional to 23.12, 34.68 and 14.99
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Solution
The fourth proportional to 23.12, 34.68 and 14.99 is: 22.49
Step by Step Solution
- Step 1: Write the proportion equation
23.12 : 34.68 = 14.99 : x - Step 2: Convert to fraction form
23.12/34.68 = 14.99/x - Step 3: Cross multiply
23.12x = 34.68 × 14.99 - Step 4: Simplify right side
23.12x = 519.85 - Step 5: Solve for x
x = 519.85/23.12 - Step 6: Final answer
x = 22.49
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Similar ratio
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1.5x scale
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.