Finding the Fourth Proportional to 236.23, 325.65 and 202.88
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Solution
The fourth proportional to 236.23, 325.65 and 202.88 is: 279.68
Step by Step Solution
- Step 1: Write the proportion equation
236.23 : 325.65 = 202.88 : x - Step 2: Convert to fraction form
236.23/325.65 = 202.88/x - Step 3: Cross multiply
236.23x = 325.65 × 202.88 - Step 4: Simplify right side
236.23x = 66,067.87 - Step 5: Solve for x
x = 66,067.87/236.23 - Step 6: Final answer
x = 279.68
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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.