Finding the Fourth Proportional to 306.60, 458.55 and 233.70
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Solution
The fourth proportional to 306.60, 458.55 and 233.70 is: 349.52
Step by Step Solution
- Step 1: Write the proportion equation
306.60 : 458.55 = 233.70 : x - Step 2: Convert to fraction form
306.60/458.55 = 233.70/x - Step 3: Cross multiply
306.60x = 458.55 × 233.70 - Step 4: Simplify right side
306.60x = 107,163.14 - Step 5: Solve for x
x = 107,163.14/306.60 - Step 6: Final answer
x = 349.52
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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.