Finding the Fourth Proportional to 365.76, 505.09 and 234.99
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Solution
The fourth proportional to 365.76, 505.09 and 234.99 is: 324.51
Step by Step Solution
- Step 1: Write the proportion equation
365.76 : 505.09 = 234.99 : x - Step 2: Convert to fraction form
365.76/505.09 = 234.99/x - Step 3: Cross multiply
365.76x = 505.09 × 234.99 - Step 4: Simplify right side
365.76x = 118,691.49 - Step 5: Solve for x
x = 118,691.49/365.76 - Step 6: Final answer
x = 324.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.