Finding the Fourth Proportional to 349.35, 482.20 and 202.08
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Solution
The fourth proportional to 349.35, 482.20 and 202.08 is: 278.92
Step by Step Solution
- Step 1: Write the proportion equation
349.35 : 482.20 = 202.08 : x - Step 2: Convert to fraction form
349.35/482.20 = 202.08/x - Step 3: Cross multiply
349.35x = 482.20 × 202.08 - Step 4: Simplify right side
349.35x = 97,441.97 - Step 5: Solve for x
x = 97,441.97/349.35 - Step 6: Final answer
x = 278.92
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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.