Finding the Fourth Proportional to 358.07, 537.10 and 172.99
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Solution
The fourth proportional to 358.07, 537.10 and 172.99 is: 259.48
Step by Step Solution
- Step 1: Write the proportion equation
358.07 : 537.10 = 172.99 : x - Step 2: Convert to fraction form
358.07/537.10 = 172.99/x - Step 3: Cross multiply
358.07x = 537.10 × 172.99 - Step 4: Simplify right side
358.07x = 92,912.93 - Step 5: Solve for x
x = 92,912.93/358.07 - Step 6: Final answer
x = 259.48
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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.