Finding the Fourth Proportional to 473.19, 652.75 and 325.90
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Solution
The fourth proportional to 473.19, 652.75 and 325.90 is: 449.57
Step by Step Solution
- Step 1: Write the proportion equation
473.19 : 652.75 = 325.90 : x - Step 2: Convert to fraction form
473.19/652.75 = 325.90/x - Step 3: Cross multiply
473.19x = 652.75 × 325.90 - Step 4: Simplify right side
473.19x = 212,731.23 - Step 5: Solve for x
x = 212,731.23/473.19 - Step 6: Final answer
x = 449.57
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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.