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Finding the Fourth Proportional to 264.85, 395.38 and 245.81

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Solution

The fourth proportional to 264.85, 395.38 and 245.81 is: 366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.85 : 395.38 = 245.81 : x
  2. Step 2: Convert to fraction form
    264.85/395.38 = 245.81/x
  3. Step 3: Cross multiply
    264.85x = 395.38 × 245.81
  4. Step 4: Simplify right side
    264.85x = 97,188.36
  5. Step 5: Solve for x
    x = 97,188.36/264.85
  6. Step 6: Final answer
    x = 366.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.