Finding the Fourth Proportional to 160.65, 240.99 and 79.44
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Solution
The fourth proportional to 160.65, 240.99 and 79.44 is: 119.17
Step by Step Solution
- Step 1: Write the proportion equation
160.65 : 240.99 = 79.44 : x - Step 2: Convert to fraction form
160.65/240.99 = 79.44/x - Step 3: Cross multiply
160.65x = 240.99 × 79.44 - Step 4: Simplify right side
160.65x = 19,144.25 - Step 5: Solve for x
x = 19,144.25/160.65 - Step 6: Final answer
x = 119.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.