Finding the Fourth Proportional to 288.08, 397.41 and 182.99
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Solution
The fourth proportional to 288.08, 397.41 and 182.99 is: 252.44
Step by Step Solution
- Step 1: Write the proportion equation
288.08 : 397.41 = 182.99 : x - Step 2: Convert to fraction form
288.08/397.41 = 182.99/x - Step 3: Cross multiply
288.08x = 397.41 × 182.99 - Step 4: Simplify right side
288.08x = 72,723.05 - Step 5: Solve for x
x = 72,723.05/288.08 - Step 6: Final answer
x = 252.44
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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.