Finding the Fourth Proportional to 368.24, 508.10 and 220.74
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Solution
The fourth proportional to 368.24, 508.10 and 220.74 is: 304.58
Step by Step Solution
- Step 1: Write the proportion equation
368.24 : 508.10 = 220.74 : x - Step 2: Convert to fraction form
368.24/508.10 = 220.74/x - Step 3: Cross multiply
368.24x = 508.10 × 220.74 - Step 4: Simplify right side
368.24x = 112,157.99 - Step 5: Solve for x
x = 112,157.99/368.24 - Step 6: Final answer
x = 304.58
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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.