Finding the Fourth Proportional to 371.34, 556.11 and 261.99
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Solution
The fourth proportional to 371.34, 556.11 and 261.99 is: 392.35
Step by Step Solution
- Step 1: Write the proportion equation
371.34 : 556.11 = 261.99 : x - Step 2: Convert to fraction form
371.34/556.11 = 261.99/x - Step 3: Cross multiply
371.34x = 556.11 × 261.99 - Step 4: Simplify right side
371.34x = 145,695.26 - Step 5: Solve for x
x = 145,695.26/371.34 - Step 6: Final answer
x = 392.35
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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.