Finding the Fourth Proportional to 355.03, 532.78 and 201.26
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Solution
The fourth proportional to 355.03, 532.78 and 201.26 is: 302.03
Step by Step Solution
- Step 1: Write the proportion equation
355.03 : 532.78 = 201.26 : x - Step 2: Convert to fraction form
355.03/532.78 = 201.26/x - Step 3: Cross multiply
355.03x = 532.78 × 201.26 - Step 4: Simplify right side
355.03x = 107,228.13 - Step 5: Solve for x
x = 107,228.13/355.03 - Step 6: Final answer
x = 302.03
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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.