Finding the Fourth Proportional to 433.23, 649.23 and 325.09
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Solution
The fourth proportional to 433.23, 649.23 and 325.09 is: 487.17
Step by Step Solution
- Step 1: Write the proportion equation
433.23 : 649.23 = 325.09 : x - Step 2: Convert to fraction form
433.23/649.23 = 325.09/x - Step 3: Cross multiply
433.23x = 649.23 × 325.09 - Step 4: Simplify right side
433.23x = 211,058.18 - Step 5: Solve for x
x = 211,058.18/433.23 - Step 6: Final answer
x = 487.17
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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.