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Finding the Fourth Proportional to 46.44, 64.06 and 30.06

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Solution

The fourth proportional to 46.44, 64.06 and 30.06 is: 41.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.44 : 64.06 = 30.06 : x
  2. Step 2: Convert to fraction form
    46.44/64.06 = 30.06/x
  3. Step 3: Cross multiply
    46.44x = 64.06 × 30.06
  4. Step 4: Simplify right side
    46.44x = 1,925.57
  5. Step 5: Solve for x
    x = 1,925.57/46.44
  6. Step 6: Final answer
    x = 41.46

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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.