Finding the Fourth Proportional to 322.41, 444.94 and 189.63
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Solution
The fourth proportional to 322.41, 444.94 and 189.63 is: 261.70
Step by Step Solution
- Step 1: Write the proportion equation
322.41 : 444.94 = 189.63 : x - Step 2: Convert to fraction form
322.41/444.94 = 189.63/x - Step 3: Cross multiply
322.41x = 444.94 × 189.63 - Step 4: Simplify right side
322.41x = 84,375.17 - Step 5: Solve for x
x = 84,375.17/322.41 - Step 6: Final answer
x = 261.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.