Finding the Third Proportional to 402 and 444
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Solution
The third proportional to 402 and 444 is: 490.39
Step by Step Solution
- Step 1: Write the proportion equation
402 : 444 = 444 : x - Step 2: Convert to fraction form
402/444 = 444/x - Step 3: Cross multiply
402x = 444 × 444 - Step 4: Simplify right side
402x = 197,136 - Step 5: Solve for x
x = 197,136/402 - Step 6: Final answer
x = 490.39
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These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.