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Finding the Fourth Proportional to 463.37, 695.02 and 255.54

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Solution

The fourth proportional to 463.37, 695.02 and 255.54 is: 383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.37 : 695.02 = 255.54 : x
  2. Step 2: Convert to fraction form
    463.37/695.02 = 255.54/x
  3. Step 3: Cross multiply
    463.37x = 695.02 × 255.54
  4. Step 4: Simplify right side
    463.37x = 177,603.95
  5. Step 5: Solve for x
    x = 177,603.95/463.37
  6. Step 6: Final answer
    x = 383.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.