Finding the Fourth Proportional to 277.10, 414.77 and 154.99
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Solution
The fourth proportional to 277.10, 414.77 and 154.99 is: 231.99
Step by Step Solution
- Step 1: Write the proportion equation
277.10 : 414.77 = 154.99 : x - Step 2: Convert to fraction form
277.10/414.77 = 154.99/x - Step 3: Cross multiply
277.10x = 414.77 × 154.99 - Step 4: Simplify right side
277.10x = 64,284.43 - Step 5: Solve for x
x = 64,284.43/277.10 - Step 6: Final answer
x = 231.99
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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.