Finding the Fourth Proportional to 236.99, 327.08 and 197.58
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Solution
The fourth proportional to 236.99, 327.08 and 197.58 is: 272.69
Step by Step Solution
- Step 1: Write the proportion equation
236.99 : 327.08 = 197.58 : x - Step 2: Convert to fraction form
236.99/327.08 = 197.58/x - Step 3: Cross multiply
236.99x = 327.08 × 197.58 - Step 4: Simplify right side
236.99x = 64,623.48 - Step 5: Solve for x
x = 64,623.48/236.99 - Step 6: Final answer
x = 272.69
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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.