Finding the Fourth Proportional to 276.49, 381.68 and 183.07
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Solution
The fourth proportional to 276.49, 381.68 and 183.07 is: 252.72
Step by Step Solution
- Step 1: Write the proportion equation
276.49 : 381.68 = 183.07 : x - Step 2: Convert to fraction form
276.49/381.68 = 183.07/x - Step 3: Cross multiply
276.49x = 381.68 × 183.07 - Step 4: Simplify right side
276.49x = 69,873.24 - Step 5: Solve for x
x = 69,873.24/276.49 - Step 6: Final answer
x = 252.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.