Finding the Fourth Proportional to 804.26, 1,207.08 and 317.66
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Solution
The fourth proportional to 804.26, 1,207.08 and 317.66 is: 476.75
Step by Step Solution
- Step 1: Write the proportion equation
804.26 : 1,207.08 = 317.66 : x - Step 2: Convert to fraction form
804.26/1,207.08 = 317.66/x - Step 3: Cross multiply
804.26x = 1,207.08 × 317.66 - Step 4: Simplify right side
804.26x = 383,433.41 - Step 5: Solve for x
x = 383,433.41/804.26 - Step 6: Final answer
x = 476.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.