Finding the Fourth Proportional to 364.99, 547.09 and 121.45
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Solution
The fourth proportional to 364.99, 547.09 and 121.45 is: 182.04
Step by Step Solution
- Step 1: Write the proportion equation
364.99 : 547.09 = 121.45 : x - Step 2: Convert to fraction form
364.99/547.09 = 121.45/x - Step 3: Cross multiply
364.99x = 547.09 × 121.45 - Step 4: Simplify right side
364.99x = 66,444.08 - Step 5: Solve for x
x = 66,444.08/364.99 - Step 6: Final answer
x = 182.04
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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.