Finding the Fourth Proportional to 204.69, 306.99 and 60.39
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Solution
The fourth proportional to 204.69, 306.99 and 60.39 is: 90.57
Step by Step Solution
- Step 1: Write the proportion equation
204.69 : 306.99 = 60.39 : x - Step 2: Convert to fraction form
204.69/306.99 = 60.39/x - Step 3: Cross multiply
204.69x = 306.99 × 60.39 - Step 4: Simplify right side
204.69x = 18,539.13 - Step 5: Solve for x
x = 18,539.13/204.69 - Step 6: Final answer
x = 90.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.