Finding the Fourth Proportional to 349.52, 482.36 and 202.20
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Solution
The fourth proportional to 349.52, 482.36 and 202.20 is: 279.05
Step by Step Solution
- Step 1: Write the proportion equation
349.52 : 482.36 = 202.20 : x - Step 2: Convert to fraction form
349.52/482.36 = 202.20/x - Step 3: Cross multiply
349.52x = 482.36 × 202.20 - Step 4: Simplify right side
349.52x = 97,533.19 - Step 5: Solve for x
x = 97,533.19/349.52 - Step 6: Final answer
x = 279.05
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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.