Finding the Fourth Proportional to 205.99, 284.26 and 118.66
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Solution
The fourth proportional to 205.99, 284.26 and 118.66 is: 163.75
Step by Step Solution
- Step 1: Write the proportion equation
205.99 : 284.26 = 118.66 : x - Step 2: Convert to fraction form
205.99/284.26 = 118.66/x - Step 3: Cross multiply
205.99x = 284.26 × 118.66 - Step 4: Simplify right side
205.99x = 33,730.29 - Step 5: Solve for x
x = 33,730.29/205.99 - Step 6: Final answer
x = 163.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.