Finding the Fourth Proportional to 349.97, 482.97 and 202.61
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Solution
The fourth proportional to 349.97, 482.97 and 202.61 is: 279.61
Step by Step Solution
- Step 1: Write the proportion equation
349.97 : 482.97 = 202.61 : x - Step 2: Convert to fraction form
349.97/482.97 = 202.61/x - Step 3: Cross multiply
349.97x = 482.97 × 202.61 - Step 4: Simplify right side
349.97x = 97,852.14 - Step 5: Solve for x
x = 97,852.14/349.97 - Step 6: Final answer
x = 279.61
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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.