Finding the Fourth Proportional to 227.49, 340.65 and 202.70
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Solution
The fourth proportional to 227.49, 340.65 and 202.70 is: 303.52
Step by Step Solution
- Step 1: Write the proportion equation
227.49 : 340.65 = 202.70 : x - Step 2: Convert to fraction form
227.49/340.65 = 202.70/x - Step 3: Cross multiply
227.49x = 340.65 × 202.70 - Step 4: Simplify right side
227.49x = 69,048.05 - Step 5: Solve for x
x = 69,048.05/227.49 - Step 6: Final answer
x = 303.52
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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.