Finding the Fourth Proportional to 940.20, 1,297.26 and 546.99
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Solution
The fourth proportional to 940.20, 1,297.26 and 546.99 is: 754.72
Step by Step Solution
- Step 1: Write the proportion equation
940.20 : 1,297.26 = 546.99 : x - Step 2: Convert to fraction form
940.20/1,297.26 = 546.99/x - Step 3: Cross multiply
940.20x = 1,297.26 × 546.99 - Step 4: Simplify right side
940.20x = 709,588.25 - Step 5: Solve for x
x = 709,588.25/940.20 - Step 6: Final answer
x = 754.72
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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.