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Finding the Fourth Proportional to 46.72, 63.92 and 45.88

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Solution

The fourth proportional to 46.72, 63.92 and 45.88 is: 62.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.72 : 63.92 = 45.88 : x
  2. Step 2: Convert to fraction form
    46.72/63.92 = 45.88/x
  3. Step 3: Cross multiply
    46.72x = 63.92 × 45.88
  4. Step 4: Simplify right side
    46.72x = 2,932.65
  5. Step 5: Solve for x
    x = 2,932.65/46.72
  6. Step 6: Final answer
    x = 62.77

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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.