Finding the Fourth Proportional to 353.40, 529.97 and 122.23
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Solution
The fourth proportional to 353.40, 529.97 and 122.23 is: 183.29
Step by Step Solution
- Step 1: Write the proportion equation
353.40 : 529.97 = 122.23 : x - Step 2: Convert to fraction form
353.40/529.97 = 122.23/x - Step 3: Cross multiply
353.40x = 529.97 × 122.23 - Step 4: Simplify right side
353.40x = 64,774.97 - Step 5: Solve for x
x = 64,774.97/353.40 - Step 6: Final answer
x = 183.29
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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.