Finding the Fourth Proportional to 207.99, 288.99 and 205.88
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Solution
The fourth proportional to 207.99, 288.99 and 205.88 is: 286.05
Step by Step Solution
- Step 1: Write the proportion equation
207.99 : 288.99 = 205.88 : x - Step 2: Convert to fraction form
207.99/288.99 = 205.88/x - Step 3: Cross multiply
207.99x = 288.99 × 205.88 - Step 4: Simplify right side
207.99x = 59,495.82 - Step 5: Solve for x
x = 59,495.82/207.99 - Step 6: Final answer
x = 286.05
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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.