Finding the Fourth Proportional to 276.69, 414.95 and 122.75
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Solution
The fourth proportional to 276.69, 414.95 and 122.75 is: 184.09
Step by Step Solution
- Step 1: Write the proportion equation
276.69 : 414.95 = 122.75 : x - Step 2: Convert to fraction form
276.69/414.95 = 122.75/x - Step 3: Cross multiply
276.69x = 414.95 × 122.75 - Step 4: Simplify right side
276.69x = 50,936.08 - Step 5: Solve for x
x = 50,936.08/276.69 - Step 6: Final answer
x = 184.09
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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.