Finding the Fourth Proportional to 225.36, 338.10 and 202.65
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Solution
The fourth proportional to 225.36, 338.10 and 202.65 is: 304.03
Step by Step Solution
- Step 1: Write the proportion equation
225.36 : 338.10 = 202.65 : x - Step 2: Convert to fraction form
225.36/338.10 = 202.65/x - Step 3: Cross multiply
225.36x = 338.10 × 202.65 - Step 4: Simplify right side
225.36x = 68,515.97 - Step 5: Solve for x
x = 68,515.97/225.36 - Step 6: Final answer
x = 304.03
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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.