Finding the Fourth Proportional to 276.98, 382.08 and 194.21
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Solution
The fourth proportional to 276.98, 382.08 and 194.21 is: 267.90
Step by Step Solution
- Step 1: Write the proportion equation
276.98 : 382.08 = 194.21 : x - Step 2: Convert to fraction form
276.98/382.08 = 194.21/x - Step 3: Cross multiply
276.98x = 382.08 × 194.21 - Step 4: Simplify right side
276.98x = 74,203.76 - Step 5: Solve for x
x = 74,203.76/276.98 - Step 6: Final answer
x = 267.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.