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Finding the Fourth Proportional to 46.76, 64.82 and 46.04

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Solution

The fourth proportional to 46.76, 64.82 and 46.04 is: 63.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.76 : 64.82 = 46.04 : x
  2. Step 2: Convert to fraction form
    46.76/64.82 = 46.04/x
  3. Step 3: Cross multiply
    46.76x = 64.82 × 46.04
  4. Step 4: Simplify right side
    46.76x = 2,984.31
  5. Step 5: Solve for x
    x = 2,984.31/46.76
  6. Step 6: Final answer
    x = 63.82

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.