Finding the Fourth Proportional to 930.97, 1,284.73 and 537.99
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Solution
The fourth proportional to 930.97, 1,284.73 and 537.99 is: 742.42
Step by Step Solution
- Step 1: Write the proportion equation
930.97 : 1,284.73 = 537.99 : x - Step 2: Convert to fraction form
930.97/1,284.73 = 537.99/x - Step 3: Cross multiply
930.97x = 1,284.73 × 537.99 - Step 4: Simplify right side
930.97x = 691,169.20 - Step 5: Solve for x
x = 691,169.20/930.97 - Step 6: Final answer
x = 742.42
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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.