Finding the Fourth Proportional to 628.97, 867.92 and 366.93
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Solution
The fourth proportional to 628.97, 867.92 and 366.93 is: 506.33
Step by Step Solution
- Step 1: Write the proportion equation
628.97 : 867.92 = 366.93 : x - Step 2: Convert to fraction form
628.97/867.92 = 366.93/x - Step 3: Cross multiply
628.97x = 867.92 × 366.93 - Step 4: Simplify right side
628.97x = 318,464.05 - Step 5: Solve for x
x = 318,464.05/628.97 - Step 6: Final answer
x = 506.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.