Finding the Fourth Proportional to 349.57, 482.43 and 202.23
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Solution
The fourth proportional to 349.57, 482.43 and 202.23 is: 279.09
Step by Step Solution
- Step 1: Write the proportion equation
349.57 : 482.43 = 202.23 : x - Step 2: Convert to fraction form
349.57/482.43 = 202.23/x - Step 3: Cross multiply
349.57x = 482.43 × 202.23 - Step 4: Simplify right side
349.57x = 97,559.91 - Step 5: Solve for x
x = 97,559.91/349.57 - Step 6: Final answer
x = 279.09
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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.