Finding the Fourth Proportional to 365.22, 503.99 and 207.88
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Solution
The fourth proportional to 365.22, 503.99 and 207.88 is: 286.86
Step by Step Solution
- Step 1: Write the proportion equation
365.22 : 503.99 = 207.88 : x - Step 2: Convert to fraction form
365.22/503.99 = 207.88/x - Step 3: Cross multiply
365.22x = 503.99 × 207.88 - Step 4: Simplify right side
365.22x = 104,767.92 - Step 5: Solve for x
x = 104,767.92/365.22 - Step 6: Final answer
x = 286.86
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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.