Finding the Fourth Proportional to 171.65, 236.93 and 97.99
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Solution
The fourth proportional to 171.65, 236.93 and 97.99 is: 135.26
Step by Step Solution
- Step 1: Write the proportion equation
171.65 : 236.93 = 97.99 : x - Step 2: Convert to fraction form
171.65/236.93 = 97.99/x - Step 3: Cross multiply
171.65x = 236.93 × 97.99 - Step 4: Simplify right side
171.65x = 23,216.77 - Step 5: Solve for x
x = 23,216.77/171.65 - Step 6: Final answer
x = 135.26
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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.