Finding the Fourth Proportional to 442.60, 610.14 and 332.08
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Solution
The fourth proportional to 442.60, 610.14 and 332.08 is: 457.78
Step by Step Solution
- Step 1: Write the proportion equation
442.60 : 610.14 = 332.08 : x - Step 2: Convert to fraction form
442.60/610.14 = 332.08/x - Step 3: Cross multiply
442.60x = 610.14 × 332.08 - Step 4: Simplify right side
442.60x = 202,615.29 - Step 5: Solve for x
x = 202,615.29/442.60 - Step 6: Final answer
x = 457.78
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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.