Finding the Fourth Proportional to 372.94, 514.67 and 207.14
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Solution
The fourth proportional to 372.94, 514.67 and 207.14 is: 285.85
Step by Step Solution
- Step 1: Write the proportion equation
372.94 : 514.67 = 207.14 : x - Step 2: Convert to fraction form
372.94/514.67 = 207.14/x - Step 3: Cross multiply
372.94x = 514.67 × 207.14 - Step 4: Simplify right side
372.94x = 106,605.13 - Step 5: Solve for x
x = 106,605.13/372.94 - Step 6: Final answer
x = 285.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.