Finding the Fourth Proportional to 341.70, 511.96 and 187.75
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Solution
The fourth proportional to 341.70, 511.96 and 187.75 is: 281.31
Step by Step Solution
- Step 1: Write the proportion equation
341.70 : 511.96 = 187.75 : x - Step 2: Convert to fraction form
341.70/511.96 = 187.75/x - Step 3: Cross multiply
341.70x = 511.96 × 187.75 - Step 4: Simplify right side
341.70x = 96,121.36 - Step 5: Solve for x
x = 96,121.36/341.70 - Step 6: Final answer
x = 281.31
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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.