Finding the Fourth Proportional to 46.05, 69.12 and 22.02
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Solution
The fourth proportional to 46.05, 69.12 and 22.02 is: 33.05
Step by Step Solution
- Step 1: Write the proportion equation
46.05 : 69.12 = 22.02 : x - Step 2: Convert to fraction form
46.05/69.12 = 22.02/x - Step 3: Cross multiply
46.05x = 69.12 × 22.02 - Step 4: Simplify right side
46.05x = 1,522.02 - Step 5: Solve for x
x = 1,522.02/46.05 - Step 6: Final answer
x = 33.05
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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.