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Finding the Fourth Proportional to 46.00, 63.43 and 45.39

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Solution

The fourth proportional to 46.00, 63.43 and 45.39 is: 62.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.00 : 63.43 = 45.39 : x
  2. Step 2: Convert to fraction form
    46.00/63.43 = 45.39/x
  3. Step 3: Cross multiply
    46.00x = 63.43 × 45.39
  4. Step 4: Simplify right side
    46.00x = 2,878.97
  5. Step 5: Solve for x
    x = 2,878.97/46.00
  6. Step 6: Final answer
    x = 62.59

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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.