Finding the Fourth Proportional to 346.68, 518.87 and 236.99
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Solution
The fourth proportional to 346.68, 518.87 and 236.99 is: 354.70
Step by Step Solution
- Step 1: Write the proportion equation
346.68 : 518.87 = 236.99 : x - Step 2: Convert to fraction form
346.68/518.87 = 236.99/x - Step 3: Cross multiply
346.68x = 518.87 × 236.99 - Step 4: Simplify right side
346.68x = 122,968.89 - Step 5: Solve for x
x = 122,968.89/346.68 - Step 6: Final answer
x = 354.70
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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.