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Finding the Fourth Proportional to 104.34, 155.53 and 101

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Solution

The fourth proportional to 104.34, 155.53 and 101 is: 150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.34 : 155.53 = 101 : x
  2. Step 2: Convert to fraction form
    104.34/155.53 = 101/x
  3. Step 3: Cross multiply
    104.34x = 155.53 × 101
  4. Step 4: Simplify right side
    104.34x = 15,708.53
  5. Step 5: Solve for x
    x = 15,708.53/104.34
  6. Step 6: Final answer
    x = 150.55

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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.