Finding the Fourth Proportional to 171.97, 237.37 and 122.99
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Solution
The fourth proportional to 171.97, 237.37 and 122.99 is: 169.76
Step by Step Solution
- Step 1: Write the proportion equation
171.97 : 237.37 = 122.99 : x - Step 2: Convert to fraction form
171.97/237.37 = 122.99/x - Step 3: Cross multiply
171.97x = 237.37 × 122.99 - Step 4: Simplify right side
171.97x = 29,194.14 - Step 5: Solve for x
x = 29,194.14/171.97 - Step 6: Final answer
x = 169.76
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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.