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Finding the Fourth Proportional to 73.98, 102.06 and 46.36

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Solution

The fourth proportional to 73.98, 102.06 and 46.36 is: 63.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.98 : 102.06 = 46.36 : x
  2. Step 2: Convert to fraction form
    73.98/102.06 = 46.36/x
  3. Step 3: Cross multiply
    73.98x = 102.06 × 46.36
  4. Step 4: Simplify right side
    73.98x = 4,731.50
  5. Step 5: Solve for x
    x = 4,731.50/73.98
  6. Step 6: Final answer
    x = 63.96

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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.