Finding the Fourth Proportional to 358.44, 537.66 and 115.08
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Solution
The fourth proportional to 358.44, 537.66 and 115.08 is: 172.62
Step by Step Solution
- Step 1: Write the proportion equation
358.44 : 537.66 = 115.08 : x - Step 2: Convert to fraction form
358.44/537.66 = 115.08/x - Step 3: Cross multiply
358.44x = 537.66 × 115.08 - Step 4: Simplify right side
358.44x = 61,873.91 - Step 5: Solve for x
x = 61,873.91/358.44 - Step 6: Final answer
x = 172.62
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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.