Finding the Fourth Proportional to 357.52, 536.32 and 113.99
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Solution
The fourth proportional to 357.52, 536.32 and 113.99 is: 170.99
Step by Step Solution
- Step 1: Write the proportion equation
357.52 : 536.32 = 113.99 : x - Step 2: Convert to fraction form
357.52/536.32 = 113.99/x - Step 3: Cross multiply
357.52x = 536.32 × 113.99 - Step 4: Simplify right side
357.52x = 61,132.44 - Step 5: Solve for x
x = 61,132.44/357.52 - Step 6: Final answer
x = 170.99
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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.