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Finding the Fourth Proportional to 463.46, 695.22 and 134.41

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Solution

The fourth proportional to 463.46, 695.22 and 134.41 is: 201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.46 : 695.22 = 134.41 : x
  2. Step 2: Convert to fraction form
    463.46/695.22 = 134.41/x
  3. Step 3: Cross multiply
    463.46x = 695.22 × 134.41
  4. Step 4: Simplify right side
    463.46x = 93,444.52
  5. Step 5: Solve for x
    x = 93,444.52/463.46
  6. Step 6: Final answer
    x = 201.62

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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.