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Finding the Fourth Proportional to 265.95, 367 and 149.51

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Solution

The fourth proportional to 265.95, 367 and 149.51 is: 206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.95 : 367 = 149.51 : x
  2. Step 2: Convert to fraction form
    265.95/367 = 149.51/x
  3. Step 3: Cross multiply
    265.95x = 367 × 149.51
  4. Step 4: Simplify right side
    265.95x = 54,870.17
  5. Step 5: Solve for x
    x = 54,870.17/265.95
  6. Step 6: Final answer
    x = 206.32

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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.