Finding the Fourth Proportional to 144.05, 216.07 and 41.33
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Solution
The fourth proportional to 144.05, 216.07 and 41.33 is: 61.99
Step by Step Solution
- Step 1: Write the proportion equation
144.05 : 216.07 = 41.33 : x - Step 2: Convert to fraction form
144.05/216.07 = 41.33/x - Step 3: Cross multiply
144.05x = 216.07 × 41.33 - Step 4: Simplify right side
144.05x = 8,929.30 - Step 5: Solve for x
x = 8,929.30/144.05 - Step 6: Final answer
x = 61.99
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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.