Finding the Fourth Proportional to 197.14, 294.36 and 176.44
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Solution
The fourth proportional to 197.14, 294.36 and 176.44 is: 263.45
Step by Step Solution
- Step 1: Write the proportion equation
197.14 : 294.36 = 176.44 : x - Step 2: Convert to fraction form
197.14/294.36 = 176.44/x - Step 3: Cross multiply
197.14x = 294.36 × 176.44 - Step 4: Simplify right side
197.14x = 51,935.19 - Step 5: Solve for x
x = 51,935.19/197.14 - Step 6: Final answer
x = 263.45
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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.