Finding the Fourth Proportional to 746.26, 1,029.18 and 484
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Solution
The fourth proportional to 746.26, 1,029.18 and 484 is: 667.49
Step by Step Solution
- Step 1: Write the proportion equation
746.26 : 1,029.18 = 484 : x - Step 2: Convert to fraction form
746.26/1,029.18 = 484/x - Step 3: Cross multiply
746.26x = 1,029.18 × 484 - Step 4: Simplify right side
746.26x = 498,123.12 - Step 5: Solve for x
x = 498,123.12/746.26 - Step 6: Final answer
x = 667.49
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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.