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Finding the Fourth Proportional to 46.30, 63.44 and 45.94

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Solution

The fourth proportional to 46.30, 63.44 and 45.94 is: 62.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.30 : 63.44 = 45.94 : x
  2. Step 2: Convert to fraction form
    46.30/63.44 = 45.94/x
  3. Step 3: Cross multiply
    46.30x = 63.44 × 45.94
  4. Step 4: Simplify right side
    46.30x = 2,914.43
  5. Step 5: Solve for x
    x = 2,914.43/46.30
  6. Step 6: Final answer
    x = 62.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.