Finding the Fourth Proportional to 276.55, 414.35 and 194.99
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Solution
The fourth proportional to 276.55, 414.35 and 194.99 is: 292.16
Step by Step Solution
- Step 1: Write the proportion equation
276.55 : 414.35 = 194.99 : x - Step 2: Convert to fraction form
276.55/414.35 = 194.99/x - Step 3: Cross multiply
276.55x = 414.35 × 194.99 - Step 4: Simplify right side
276.55x = 80,794.59 - Step 5: Solve for x
x = 80,794.59/276.55 - Step 6: Final answer
x = 292.16
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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.