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Finding the Fourth Proportional to 434.81, 599.74 and 277.64

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Solution

The fourth proportional to 434.81, 599.74 and 277.64 is: 382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.81 : 599.74 = 277.64 : x
  2. Step 2: Convert to fraction form
    434.81/599.74 = 277.64/x
  3. Step 3: Cross multiply
    434.81x = 599.74 × 277.64
  4. Step 4: Simplify right side
    434.81x = 166,511.81
  5. Step 5: Solve for x
    x = 166,511.81/434.81
  6. Step 6: Final answer
    x = 382.95

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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.