Finding the Fourth Proportional to 357.26, 536.10 and 140.99
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Solution
The fourth proportional to 357.26, 536.10 and 140.99 is: 211.57
Step by Step Solution
- Step 1: Write the proportion equation
357.26 : 536.10 = 140.99 : x - Step 2: Convert to fraction form
357.26/536.10 = 140.99/x - Step 3: Cross multiply
357.26x = 536.10 × 140.99 - Step 4: Simplify right side
357.26x = 75,585.37 - Step 5: Solve for x
x = 75,585.37/357.26 - Step 6: Final answer
x = 211.57
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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.