Finding the Fourth Proportional to 698.07, 964.62 and 531.99
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Solution
The fourth proportional to 698.07, 964.62 and 531.99 is: 735.12
Step by Step Solution
- Step 1: Write the proportion equation
698.07 : 964.62 = 531.99 : x - Step 2: Convert to fraction form
698.07/964.62 = 531.99/x - Step 3: Cross multiply
698.07x = 964.62 × 531.99 - Step 4: Simplify right side
698.07x = 513,168.19 - Step 5: Solve for x
x = 513,168.19/698.07 - Step 6: Final answer
x = 735.12
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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.