Finding the Third Proportional to 356 and 368
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Solution
The third proportional to 356 and 368 is: 380.40
Step by Step Solution
- Step 1: Write the proportion equation
356 : 368 = 368 : x - Step 2: Convert to fraction form
356/368 = 368/x - Step 3: Cross multiply
356x = 368 × 368 - Step 4: Simplify right side
356x = 135,424 - Step 5: Solve for x
x = 135,424/356 - Step 6: Final answer
x = 380.40
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These problems maintain the same ratio (1.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.