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Finding the Fourth Proportional to 46.51, 64.09 and 44.92

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Solution

The fourth proportional to 46.51, 64.09 and 44.92 is: 61.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.51 : 64.09 = 44.92 : x
  2. Step 2: Convert to fraction form
    46.51/64.09 = 44.92/x
  3. Step 3: Cross multiply
    46.51x = 64.09 × 44.92
  4. Step 4: Simplify right side
    46.51x = 2,879.06
  5. Step 5: Solve for x
    x = 2,879.06/46.51
  6. Step 6: Final answer
    x = 61.91

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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.