Finding the Fourth Proportional to 1,135.28, 1,702.26 and 441.14
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Solution
The fourth proportional to 1,135.28, 1,702.26 and 441.14 is: 661.45
Step by Step Solution
- Step 1: Write the proportion equation
1,135.28 : 1,702.26 = 441.14 : x - Step 2: Convert to fraction form
1,135.28/1,702.26 = 441.14/x - Step 3: Cross multiply
1,135.28x = 1,702.26 × 441.14 - Step 4: Simplify right side
1,135.28x = 750,924.81 - Step 5: Solve for x
x = 750,924.81/1,135.28 - Step 6: Final answer
x = 661.45
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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.