Finding the Fourth Proportional to 364.99, 503.64 and 207.64
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Solution
The fourth proportional to 364.99, 503.64 and 207.64 is: 286.52
Step by Step Solution
- Step 1: Write the proportion equation
364.99 : 503.64 = 207.64 : x - Step 2: Convert to fraction form
364.99/503.64 = 207.64/x - Step 3: Cross multiply
364.99x = 503.64 × 207.64 - Step 4: Simplify right side
364.99x = 104,577.14 - Step 5: Solve for x
x = 104,577.14/364.99 - Step 6: Final answer
x = 286.52
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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.