Finding the Fourth Proportional to 906, 1,250.28 and 538
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Solution
The fourth proportional to 906, 1,250.28 and 538 is: 742.44
Step by Step Solution
- Step 1: Write the proportion equation
906 : 1,250.28 = 538 : x - Step 2: Convert to fraction form
906/1,250.28 = 538/x - Step 3: Cross multiply
906x = 1,250.28 × 538 - Step 4: Simplify right side
906x = 672,650.64 - Step 5: Solve for x
x = 672,650.64/906 - Step 6: Final answer
x = 742.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.