Finding the Fourth Proportional to 227.18, 340.63 and 73.08
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Solution
The fourth proportional to 227.18, 340.63 and 73.08 is: 109.57
Step by Step Solution
- Step 1: Write the proportion equation
227.18 : 340.63 = 73.08 : x - Step 2: Convert to fraction form
227.18/340.63 = 73.08/x - Step 3: Cross multiply
227.18x = 340.63 × 73.08 - Step 4: Simplify right side
227.18x = 24,893.06 - Step 5: Solve for x
x = 24,893.06/227.18 - Step 6: Final answer
x = 109.57
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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.