Finding the Fourth Proportional to 376.08, 564.21 and 144.99
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Solution
The fourth proportional to 376.08, 564.21 and 144.99 is: 217.52
Step by Step Solution
- Step 1: Write the proportion equation
376.08 : 564.21 = 144.99 : x - Step 2: Convert to fraction form
376.08/564.21 = 144.99/x - Step 3: Cross multiply
376.08x = 564.21 × 144.99 - Step 4: Simplify right side
376.08x = 81,804.81 - Step 5: Solve for x
x = 81,804.81/376.08 - Step 6: Final answer
x = 217.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.