Finding the Fourth Proportional to 468.46, 646.32 and 335.71
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Solution
The fourth proportional to 468.46, 646.32 and 335.71 is: 463.17
Step by Step Solution
- Step 1: Write the proportion equation
468.46 : 646.32 = 335.71 : x - Step 2: Convert to fraction form
468.46/646.32 = 335.71/x - Step 3: Cross multiply
468.46x = 646.32 × 335.71 - Step 4: Simplify right side
468.46x = 216,976.09 - Step 5: Solve for x
x = 216,976.09/468.46 - Step 6: Final answer
x = 463.17
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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.