Finding the Fourth Proportional to 293.10, 404.88 and 228.45
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Solution
The fourth proportional to 293.10, 404.88 and 228.45 is: 315.57
Step by Step Solution
- Step 1: Write the proportion equation
293.10 : 404.88 = 228.45 : x - Step 2: Convert to fraction form
293.10/404.88 = 228.45/x - Step 3: Cross multiply
293.10x = 404.88 × 228.45 - Step 4: Simplify right side
293.10x = 92,494.84 - Step 5: Solve for x
x = 92,494.84/293.10 - Step 6: Final answer
x = 315.57
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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.