Finding the Fourth Proportional to 349.64, 482.42 and 202.23
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Solution
The fourth proportional to 349.64, 482.42 and 202.23 is: 279.03
Step by Step Solution
- Step 1: Write the proportion equation
349.64 : 482.42 = 202.23 : x - Step 2: Convert to fraction form
349.64/482.42 = 202.23/x - Step 3: Cross multiply
349.64x = 482.42 × 202.23 - Step 4: Simplify right side
349.64x = 97,558.79 - Step 5: Solve for x
x = 97,558.79/349.64 - Step 6: Final answer
x = 279.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.