Finding the Fourth Proportional to 533.19, 799.67 and 378.69
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Solution
The fourth proportional to 533.19, 799.67 and 378.69 is: 567.95
Step by Step Solution
- Step 1: Write the proportion equation
533.19 : 799.67 = 378.69 : x - Step 2: Convert to fraction form
533.19/799.67 = 378.69/x - Step 3: Cross multiply
533.19x = 799.67 × 378.69 - Step 4: Simplify right side
533.19x = 302,825.14 - Step 5: Solve for x
x = 302,825.14/533.19 - Step 6: Final answer
x = 567.95
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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.