Finding the Fourth Proportional to 358.55, 537.71 and 114.99
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Solution
The fourth proportional to 358.55, 537.71 and 114.99 is: 172.45
Step by Step Solution
- Step 1: Write the proportion equation
358.55 : 537.71 = 114.99 : x - Step 2: Convert to fraction form
358.55/537.71 = 114.99/x - Step 3: Cross multiply
358.55x = 537.71 × 114.99 - Step 4: Simplify right side
358.55x = 61,830.70 - Step 5: Solve for x
x = 61,830.70/358.55 - Step 6: Final answer
x = 172.45
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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.