Finding the Fourth Proportional to 387.24, 534.44 and 232.08
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Solution
The fourth proportional to 387.24, 534.44 and 232.08 is: 320.30
Step by Step Solution
- Step 1: Write the proportion equation
387.24 : 534.44 = 232.08 : x - Step 2: Convert to fraction form
387.24/534.44 = 232.08/x - Step 3: Cross multiply
387.24x = 534.44 × 232.08 - Step 4: Simplify right side
387.24x = 124,032.84 - Step 5: Solve for x
x = 124,032.84/387.24 - Step 6: Final answer
x = 320.30
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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.