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Finding the Fourth Proportional to 46.66, 64.33 and 33.70

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Solution

The fourth proportional to 46.66, 64.33 and 33.70 is: 46.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.66 : 64.33 = 33.70 : x
  2. Step 2: Convert to fraction form
    46.66/64.33 = 33.70/x
  3. Step 3: Cross multiply
    46.66x = 64.33 × 33.70
  4. Step 4: Simplify right side
    46.66x = 2,167.92
  5. Step 5: Solve for x
    x = 2,167.92/46.66
  6. Step 6: Final answer
    x = 46.46

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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.