Finding the Fourth Proportional to 346.14, 518.99 and 170.43
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Solution
The fourth proportional to 346.14, 518.99 and 170.43 is: 255.54
Step by Step Solution
- Step 1: Write the proportion equation
346.14 : 518.99 = 170.43 : x - Step 2: Convert to fraction form
346.14/518.99 = 170.43/x - Step 3: Cross multiply
346.14x = 518.99 × 170.43 - Step 4: Simplify right side
346.14x = 88,451.47 - Step 5: Solve for x
x = 88,451.47/346.14 - Step 6: Final answer
x = 255.54
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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.