Finding the Fourth Proportional to 349.77, 482.68 and 202.41
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Solution
The fourth proportional to 349.77, 482.68 and 202.41 is: 279.32
Step by Step Solution
- Step 1: Write the proportion equation
349.77 : 482.68 = 202.41 : x - Step 2: Convert to fraction form
349.77/482.68 = 202.41/x - Step 3: Cross multiply
349.77x = 482.68 × 202.41 - Step 4: Simplify right side
349.77x = 97,699.26 - Step 5: Solve for x
x = 97,699.26/349.77 - Step 6: Final answer
x = 279.32
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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.