Finding the Fourth Proportional to 271.91, 374.93 and 198.26
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Solution
The fourth proportional to 271.91, 374.93 and 198.26 is: 273.37
Step by Step Solution
- Step 1: Write the proportion equation
271.91 : 374.93 = 198.26 : x - Step 2: Convert to fraction form
271.91/374.93 = 198.26/x - Step 3: Cross multiply
271.91x = 374.93 × 198.26 - Step 4: Simplify right side
271.91x = 74,332.63 - Step 5: Solve for x
x = 74,332.63/271.91 - Step 6: Final answer
x = 273.37
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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.