Finding the Third Proportional to 255 and 307
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Solution
The third proportional to 255 and 307 is: 369.60
Step by Step Solution
- Step 1: Write the proportion equation
255 : 307 = 307 : x - Step 2: Convert to fraction form
255/307 = 307/x - Step 3: Cross multiply
255x = 307 × 307 - Step 4: Simplify right side
255x = 94,249 - Step 5: Solve for x
x = 94,249/255 - Step 6: Final answer
x = 369.60
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These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.