Finding the Fourth Proportional to 860.44, 1,186.78 and 594.99
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Solution
The fourth proportional to 860.44, 1,186.78 and 594.99 is: 820.65
Step by Step Solution
- Step 1: Write the proportion equation
860.44 : 1,186.78 = 594.99 : x - Step 2: Convert to fraction form
860.44/1,186.78 = 594.99/x - Step 3: Cross multiply
860.44x = 1,186.78 × 594.99 - Step 4: Simplify right side
860.44x = 706,122.23 - Step 5: Solve for x
x = 706,122.23/860.44 - Step 6: Final answer
x = 820.65
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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.