Finding the Fourth Proportional to 332.09, 458.16 and 207.70
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Solution
The fourth proportional to 332.09, 458.16 and 207.70 is: 286.54
Step by Step Solution
- Step 1: Write the proportion equation
332.09 : 458.16 = 207.70 : x - Step 2: Convert to fraction form
332.09/458.16 = 207.70/x - Step 3: Cross multiply
332.09x = 458.16 × 207.70 - Step 4: Simplify right side
332.09x = 95,157.91 - Step 5: Solve for x
x = 95,157.91/332.09 - Step 6: Final answer
x = 286.54
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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.