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Finding the Fourth Proportional to 46.06, 69.04 and 43.50

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Solution

The fourth proportional to 46.06, 69.04 and 43.50 is: 65.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.06 : 69.04 = 43.50 : x
  2. Step 2: Convert to fraction form
    46.06/69.04 = 43.50/x
  3. Step 3: Cross multiply
    46.06x = 69.04 × 43.50
  4. Step 4: Simplify right side
    46.06x = 3,003.24
  5. Step 5: Solve for x
    x = 3,003.24/46.06
  6. Step 6: Final answer
    x = 65.20

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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.