Finding the Fourth Proportional to 197.79, 294.92 and 197.52
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Solution
The fourth proportional to 197.79, 294.92 and 197.52 is: 294.51
Step by Step Solution
- Step 1: Write the proportion equation
197.79 : 294.92 = 197.52 : x - Step 2: Convert to fraction form
197.79/294.92 = 197.52/x - Step 3: Cross multiply
197.79x = 294.92 × 197.52 - Step 4: Simplify right side
197.79x = 58,251.61 - Step 5: Solve for x
x = 58,251.61/197.79 - Step 6: Final answer
x = 294.51
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.