Finding the Fourth Proportional to 349.35, 482.05 and 201.94
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Solution
The fourth proportional to 349.35, 482.05 and 201.94 is: 278.65
Step by Step Solution
- Step 1: Write the proportion equation
349.35 : 482.05 = 201.94 : x - Step 2: Convert to fraction form
349.35/482.05 = 201.94/x - Step 3: Cross multiply
349.35x = 482.05 × 201.94 - Step 4: Simplify right side
349.35x = 97,345.18 - Step 5: Solve for x
x = 97,345.18/349.35 - Step 6: Final answer
x = 278.65
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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.