Finding the Fourth Proportional to 376.63, 564.36 and 239.25
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Solution
The fourth proportional to 376.63, 564.36 and 239.25 is: 358.51
Step by Step Solution
- Step 1: Write the proportion equation
376.63 : 564.36 = 239.25 : x - Step 2: Convert to fraction form
376.63/564.36 = 239.25/x - Step 3: Cross multiply
376.63x = 564.36 × 239.25 - Step 4: Simplify right side
376.63x = 135,023.13 - Step 5: Solve for x
x = 135,023.13/376.63 - Step 6: Final answer
x = 358.51
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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.