Finding the Fourth Proportional to 651, 976.56 and 309
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Solution
The fourth proportional to 651, 976.56 and 309 is: 463.53
Step by Step Solution
- Step 1: Write the proportion equation
651 : 976.56 = 309 : x - Step 2: Convert to fraction form
651/976.56 = 309/x - Step 3: Cross multiply
651x = 976.56 × 309 - Step 4: Simplify right side
651x = 301,757.04 - Step 5: Solve for x
x = 301,757.04/651 - Step 6: Final answer
x = 463.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.