Finding the Fourth Proportional to 404.18, 557.86 and 229.54
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Solution
The fourth proportional to 404.18, 557.86 and 229.54 is: 316.82
Step by Step Solution
- Step 1: Write the proportion equation
404.18 : 557.86 = 229.54 : x - Step 2: Convert to fraction form
404.18/557.86 = 229.54/x - Step 3: Cross multiply
404.18x = 557.86 × 229.54 - Step 4: Simplify right side
404.18x = 128,051.18 - Step 5: Solve for x
x = 128,051.18/404.18 - Step 6: Final answer
x = 316.82
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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.