Finding the Fourth Proportional to 305.13, 456.94 and 236.08
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Solution
The fourth proportional to 305.13, 456.94 and 236.08 is: 353.53
Step by Step Solution
- Step 1: Write the proportion equation
305.13 : 456.94 = 236.08 : x - Step 2: Convert to fraction form
305.13/456.94 = 236.08/x - Step 3: Cross multiply
305.13x = 456.94 × 236.08 - Step 4: Simplify right side
305.13x = 107,875.26 - Step 5: Solve for x
x = 107,875.26/305.13 - Step 6: Final answer
x = 353.53
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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.