Finding the Fourth Proportional to 202.95, 306.09 and 202.95
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Solution
The fourth proportional to 202.95, 306.09 and 202.95 is: 306.09
Step by Step Solution
- Step 1: Write the proportion equation
202.95 : 306.09 = 202.95 : x - Step 2: Convert to fraction form
202.95/306.09 = 202.95/x - Step 3: Cross multiply
202.95x = 306.09 × 202.95 - Step 4: Simplify right side
202.95x = 62,120.97 - Step 5: Solve for x
x = 62,120.97/202.95 - Step 6: Final answer
x = 306.09
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.