Finding the Fourth Proportional to 804.24, 1,207.08 and 371.64
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Solution
The fourth proportional to 804.24, 1,207.08 and 371.64 is: 557.79
Step by Step Solution
- Step 1: Write the proportion equation
804.24 : 1,207.08 = 371.64 : x - Step 2: Convert to fraction form
804.24/1,207.08 = 371.64/x - Step 3: Cross multiply
804.24x = 1,207.08 × 371.64 - Step 4: Simplify right side
804.24x = 448,599.21 - Step 5: Solve for x
x = 448,599.21/804.24 - Step 6: Final answer
x = 557.79
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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.