Finding the Fourth Proportional to 368.26, 508.18 and 210.88
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Solution
The fourth proportional to 368.26, 508.18 and 210.88 is: 291.01
Step by Step Solution
- Step 1: Write the proportion equation
368.26 : 508.18 = 210.88 : x - Step 2: Convert to fraction form
368.26/508.18 = 210.88/x - Step 3: Cross multiply
368.26x = 508.18 × 210.88 - Step 4: Simplify right side
368.26x = 107,165.11 - Step 5: Solve for x
x = 107,165.11/368.26 - Step 6: Final answer
x = 291.01
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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.