Finding the Fourth Proportional to 585.28, 808.08 and 454.08
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Solution
The fourth proportional to 585.28, 808.08 and 454.08 is: 626.94
Step by Step Solution
- Step 1: Write the proportion equation
585.28 : 808.08 = 454.08 : x - Step 2: Convert to fraction form
585.28/808.08 = 454.08/x - Step 3: Cross multiply
585.28x = 808.08 × 454.08 - Step 4: Simplify right side
585.28x = 366,932.97 - Step 5: Solve for x
x = 366,932.97/585.28 - Step 6: Final answer
x = 626.94
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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.