Finding the Fourth Proportional to 365.19, 503.97 and 207.87
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Solution
The fourth proportional to 365.19, 503.97 and 207.87 is: 286.87
Step by Step Solution
- Step 1: Write the proportion equation
365.19 : 503.97 = 207.87 : x - Step 2: Convert to fraction form
365.19/503.97 = 207.87/x - Step 3: Cross multiply
365.19x = 503.97 × 207.87 - Step 4: Simplify right side
365.19x = 104,760.24 - Step 5: Solve for x
x = 104,760.24/365.19 - Step 6: Final answer
x = 286.87
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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.