Finding the Third Proportional to 457 and 608
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Solution
The third proportional to 457 and 608 is: 808.89
Step by Step Solution
- Step 1: Write the proportion equation
457 : 608 = 608 : x - Step 2: Convert to fraction form
457/608 = 608/x - Step 3: Cross multiply
457x = 608 × 608 - Step 4: Simplify right side
457x = 369,664 - Step 5: Solve for x
x = 369,664/457 - Step 6: Final answer
x = 808.89
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.