Finding the Fourth Proportional to 347.28, 520.44 and 176.08
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Solution
The fourth proportional to 347.28, 520.44 and 176.08 is: 263.88
Step by Step Solution
- Step 1: Write the proportion equation
347.28 : 520.44 = 176.08 : x - Step 2: Convert to fraction form
347.28/520.44 = 176.08/x - Step 3: Cross multiply
347.28x = 520.44 × 176.08 - Step 4: Simplify right side
347.28x = 91,639.08 - Step 5: Solve for x
x = 91,639.08/347.28 - Step 6: Final answer
x = 263.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.