Finding the Fourth Proportional to 628.26, 941.67 and 473.70
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Solution
The fourth proportional to 628.26, 941.67 and 473.70 is: 710.01
Step by Step Solution
- Step 1: Write the proportion equation
628.26 : 941.67 = 473.70 : x - Step 2: Convert to fraction form
628.26/941.67 = 473.70/x - Step 3: Cross multiply
628.26x = 941.67 × 473.70 - Step 4: Simplify right side
628.26x = 446,069.08 - Step 5: Solve for x
x = 446,069.08/628.26 - Step 6: Final answer
x = 710.01
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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.