Finding the Fourth Proportional to 817.60, 1,226.04 and 240.36
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Solution
The fourth proportional to 817.60, 1,226.04 and 240.36 is: 360.43
Step by Step Solution
- Step 1: Write the proportion equation
817.60 : 1,226.04 = 240.36 : x - Step 2: Convert to fraction form
817.60/1,226.04 = 240.36/x - Step 3: Cross multiply
817.60x = 1,226.04 × 240.36 - Step 4: Simplify right side
817.60x = 294,690.97 - Step 5: Solve for x
x = 294,690.97/817.60 - Step 6: Final answer
x = 360.43
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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.