Finding the Fourth Proportional to 628.26, 866.93 and 348.49
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Solution
The fourth proportional to 628.26, 866.93 and 348.49 is: 480.88
Step by Step Solution
- Step 1: Write the proportion equation
628.26 : 866.93 = 348.49 : x - Step 2: Convert to fraction form
628.26/866.93 = 348.49/x - Step 3: Cross multiply
628.26x = 866.93 × 348.49 - Step 4: Simplify right side
628.26x = 302,116.44 - Step 5: Solve for x
x = 302,116.44/628.26 - Step 6: Final answer
x = 480.88
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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.