Finding the Fourth Proportional to 427.03, 639.99 and 183.26
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Solution
The fourth proportional to 427.03, 639.99 and 183.26 is: 274.66
Step by Step Solution
- Step 1: Write the proportion equation
427.03 : 639.99 = 183.26 : x - Step 2: Convert to fraction form
427.03/639.99 = 183.26/x - Step 3: Cross multiply
427.03x = 639.99 × 183.26 - Step 4: Simplify right side
427.03x = 117,286.17 - Step 5: Solve for x
x = 117,286.17/427.03 - Step 6: Final answer
x = 274.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.