Finding the Fourth Proportional to 355.57, 533.21 and 201.58
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Solution
The fourth proportional to 355.57, 533.21 and 201.58 is: 302.28
Step by Step Solution
- Step 1: Write the proportion equation
355.57 : 533.21 = 201.58 : x - Step 2: Convert to fraction form
355.57/533.21 = 201.58/x - Step 3: Cross multiply
355.57x = 533.21 × 201.58 - Step 4: Simplify right side
355.57x = 107,482.13 - Step 5: Solve for x
x = 107,482.13/355.57 - Step 6: Final answer
x = 302.28
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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.