Finding the Fourth Proportional to 418.91, 627.14 and 376.99
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Solution
The fourth proportional to 418.91, 627.14 and 376.99 is: 564.39
Step by Step Solution
- Step 1: Write the proportion equation
418.91 : 627.14 = 376.99 : x - Step 2: Convert to fraction form
418.91/627.14 = 376.99/x - Step 3: Cross multiply
418.91x = 627.14 × 376.99 - Step 4: Simplify right side
418.91x = 236,424.88 - Step 5: Solve for x
x = 236,424.88/418.91 - Step 6: Final answer
x = 564.39
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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.