Finding the Fourth Proportional to 346.12, 519.02 and 140.63
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Solution
The fourth proportional to 346.12, 519.02 and 140.63 is: 210.88
Step by Step Solution
- Step 1: Write the proportion equation
346.12 : 519.02 = 140.63 : x - Step 2: Convert to fraction form
346.12/519.02 = 140.63/x - Step 3: Cross multiply
346.12x = 519.02 × 140.63 - Step 4: Simplify right side
346.12x = 72,989.08 - Step 5: Solve for x
x = 72,989.08/346.12 - Step 6: Final answer
x = 210.88
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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.