Finding the Fourth Proportional to 534.15, 737.08 and 309.99
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Solution
The fourth proportional to 534.15, 737.08 and 309.99 is: 427.75
Step by Step Solution
- Step 1: Write the proportion equation
534.15 : 737.08 = 309.99 : x - Step 2: Convert to fraction form
534.15/737.08 = 309.99/x - Step 3: Cross multiply
534.15x = 737.08 × 309.99 - Step 4: Simplify right side
534.15x = 228,484.94 - Step 5: Solve for x
x = 228,484.94/534.15 - Step 6: Final answer
x = 427.75
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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.