Finding the Fourth Proportional to 355.65, 532.99 and 201.48
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Solution
The fourth proportional to 355.65, 532.99 and 201.48 is: 301.95
Step by Step Solution
- Step 1: Write the proportion equation
355.65 : 532.99 = 201.48 : x - Step 2: Convert to fraction form
355.65/532.99 = 201.48/x - Step 3: Cross multiply
355.65x = 532.99 × 201.48 - Step 4: Simplify right side
355.65x = 107,386.83 - Step 5: Solve for x
x = 107,386.83/355.65 - Step 6: Final answer
x = 301.95
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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.