Finding the Fourth Proportional to 236.35, 354.07 and 198.08
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Solution
The fourth proportional to 236.35, 354.07 and 198.08 is: 296.74
Step by Step Solution
- Step 1: Write the proportion equation
236.35 : 354.07 = 198.08 : x - Step 2: Convert to fraction form
236.35/354.07 = 198.08/x - Step 3: Cross multiply
236.35x = 354.07 × 198.08 - Step 4: Simplify right side
236.35x = 70,133.99 - Step 5: Solve for x
x = 70,133.99/236.35 - Step 6: Final answer
x = 296.74
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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.