Finding the Fourth Proportional to 473.28, 652.82 and 305.44
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Solution
The fourth proportional to 473.28, 652.82 and 305.44 is: 421.32
Step by Step Solution
- Step 1: Write the proportion equation
473.28 : 652.82 = 305.44 : x - Step 2: Convert to fraction form
473.28/652.82 = 305.44/x - Step 3: Cross multiply
473.28x = 652.82 × 305.44 - Step 4: Simplify right side
473.28x = 199,399.14 - Step 5: Solve for x
x = 199,399.14/473.28 - Step 6: Final answer
x = 421.32
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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.