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Finding the Fourth Proportional to 265.71, 396.65 and 246.67

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Solution

The fourth proportional to 265.71, 396.65 and 246.67 is: 368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.71 : 396.65 = 246.67 : x
  2. Step 2: Convert to fraction form
    265.71/396.65 = 246.67/x
  3. Step 3: Cross multiply
    265.71x = 396.65 × 246.67
  4. Step 4: Simplify right side
    265.71x = 97,841.66
  5. Step 5: Solve for x
    x = 97,841.66/265.71
  6. Step 6: Final answer
    x = 368.23

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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.