Finding the Fourth Proportional to 358.63, 537.74 and 153.19
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Solution
The fourth proportional to 358.63, 537.74 and 153.19 is: 229.70
Step by Step Solution
- Step 1: Write the proportion equation
358.63 : 537.74 = 153.19 : x - Step 2: Convert to fraction form
358.63/537.74 = 153.19/x - Step 3: Cross multiply
358.63x = 537.74 × 153.19 - Step 4: Simplify right side
358.63x = 82,376.87 - Step 5: Solve for x
x = 82,376.87/358.63 - Step 6: Final answer
x = 229.70
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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.