Finding the Third Proportional to 377 and 455.50
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Solution
The third proportional to 377 and 455.50 is: 550.35
Step by Step Solution
- Step 1: Write the proportion equation
377 : 455.50 = 455.50 : x - Step 2: Convert to fraction form
377/455.50 = 455.50/x - Step 3: Cross multiply
377x = 455.50 × 455.50 - Step 4: Simplify right side
377x = 207,480.25 - Step 5: Solve for x
x = 207,480.25/377 - Step 6: Final answer
x = 550.35
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Why These Related Problems?
These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.