Finding the Fourth Proportional to 798.69, 1,102.08 and 467.19
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Solution
The fourth proportional to 798.69, 1,102.08 and 467.19 is: 644.66
Step by Step Solution
- Step 1: Write the proportion equation
798.69 : 1,102.08 = 467.19 : x - Step 2: Convert to fraction form
798.69/1,102.08 = 467.19/x - Step 3: Cross multiply
798.69x = 1,102.08 × 467.19 - Step 4: Simplify right side
798.69x = 514,880.76 - Step 5: Solve for x
x = 514,880.76/798.69 - Step 6: Final answer
x = 644.66
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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.