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Finding the Fourth Proportional to 265.36, 395.93 and 252.76

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Solution

The fourth proportional to 265.36, 395.93 and 252.76 is: 377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.36 : 395.93 = 252.76 : x
  2. Step 2: Convert to fraction form
    265.36/395.93 = 252.76/x
  3. Step 3: Cross multiply
    265.36x = 395.93 × 252.76
  4. Step 4: Simplify right side
    265.36x = 100,075.27
  5. Step 5: Solve for x
    x = 100,075.27/265.36
  6. Step 6: Final answer
    x = 377.13

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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.