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Finding the Fourth Proportional to 460.53, 634.92 and 381.56

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Solution

The fourth proportional to 460.53, 634.92 and 381.56 is: 526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.53 : 634.92 = 381.56 : x
  2. Step 2: Convert to fraction form
    460.53/634.92 = 381.56/x
  3. Step 3: Cross multiply
    460.53x = 634.92 × 381.56
  4. Step 4: Simplify right side
    460.53x = 242,256.90
  5. Step 5: Solve for x
    x = 242,256.90/460.53
  6. Step 6: Final answer
    x = 526.04

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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.