Finding the Fourth Proportional to 346.68, 519.84 and 261
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Solution
The fourth proportional to 346.68, 519.84 and 261 is: 391.36
Step by Step Solution
- Step 1: Write the proportion equation
346.68 : 519.84 = 261 : x - Step 2: Convert to fraction form
346.68/519.84 = 261/x - Step 3: Cross multiply
346.68x = 519.84 × 261 - Step 4: Simplify right side
346.68x = 135,678.24 - Step 5: Solve for x
x = 135,678.24/346.68 - Step 6: Final answer
x = 391.36
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.