Finding the Fourth Proportional to 276.58, 381.48 and 181.99
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Solution
The fourth proportional to 276.58, 381.48 and 181.99 is: 251.01
Step by Step Solution
- Step 1: Write the proportion equation
276.58 : 381.48 = 181.99 : x - Step 2: Convert to fraction form
276.58/381.48 = 181.99/x - Step 3: Cross multiply
276.58x = 381.48 × 181.99 - Step 4: Simplify right side
276.58x = 69,425.55 - Step 5: Solve for x
x = 69,425.55/276.58 - Step 6: Final answer
x = 251.01
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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.