Finding the Fourth Proportional to 349.36, 482.12 and 202
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Solution
The fourth proportional to 349.36, 482.12 and 202 is: 278.76
Step by Step Solution
- Step 1: Write the proportion equation
349.36 : 482.12 = 202 : x - Step 2: Convert to fraction form
349.36/482.12 = 202/x - Step 3: Cross multiply
349.36x = 482.12 × 202 - Step 4: Simplify right side
349.36x = 97,388.24 - Step 5: Solve for x
x = 97,388.24/349.36 - Step 6: Final answer
x = 278.76
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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.