Finding the Fourth Proportional to 197.93, 296.74 and 157.23
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Solution
The fourth proportional to 197.93, 296.74 and 157.23 is: 235.72
Step by Step Solution
- Step 1: Write the proportion equation
197.93 : 296.74 = 157.23 : x - Step 2: Convert to fraction form
197.93/296.74 = 157.23/x - Step 3: Cross multiply
197.93x = 296.74 × 157.23 - Step 4: Simplify right side
197.93x = 46,656.43 - Step 5: Solve for x
x = 46,656.43/197.93 - Step 6: Final answer
x = 235.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.