Finding the Fourth Proportional to 159.26, 219.69 and 97.07
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Solution
The fourth proportional to 159.26, 219.69 and 97.07 is: 133.90
Step by Step Solution
- Step 1: Write the proportion equation
159.26 : 219.69 = 97.07 : x - Step 2: Convert to fraction form
159.26/219.69 = 97.07/x - Step 3: Cross multiply
159.26x = 219.69 × 97.07 - Step 4: Simplify right side
159.26x = 21,324.21 - Step 5: Solve for x
x = 21,324.21/159.26 - Step 6: Final answer
x = 133.90
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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.