Finding the Fourth Proportional to 236.67, 354.39 and 202.65
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Solution
The fourth proportional to 236.67, 354.39 and 202.65 is: 303.45
Step by Step Solution
- Step 1: Write the proportion equation
236.67 : 354.39 = 202.65 : x - Step 2: Convert to fraction form
236.67/354.39 = 202.65/x - Step 3: Cross multiply
236.67x = 354.39 × 202.65 - Step 4: Simplify right side
236.67x = 71,817.13 - Step 5: Solve for x
x = 71,817.13/236.67 - Step 6: Final answer
x = 303.45
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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.