Finding the Fourth Proportional to 365.15, 547.93 and 202.81
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Solution
The fourth proportional to 365.15, 547.93 and 202.81 is: 304.33
Step by Step Solution
- Step 1: Write the proportion equation
365.15 : 547.93 = 202.81 : x - Step 2: Convert to fraction form
365.15/547.93 = 202.81/x - Step 3: Cross multiply
365.15x = 547.93 × 202.81 - Step 4: Simplify right side
365.15x = 111,125.68 - Step 5: Solve for x
x = 111,125.68/365.15 - Step 6: Final answer
x = 304.33
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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.