Finding the Fourth Proportional to 349.62, 482.49 and 202.26
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Solution
The fourth proportional to 349.62, 482.49 and 202.26 is: 279.13
Step by Step Solution
- Step 1: Write the proportion equation
349.62 : 482.49 = 202.26 : x - Step 2: Convert to fraction form
349.62/482.49 = 202.26/x - Step 3: Cross multiply
349.62x = 482.49 × 202.26 - Step 4: Simplify right side
349.62x = 97,588.43 - Step 5: Solve for x
x = 97,588.43/349.62 - Step 6: Final answer
x = 279.13
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.