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Finding the Fourth Proportional to 46.98, 65.07 and 43.47

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Solution

The fourth proportional to 46.98, 65.07 and 43.47 is: 60.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.98 : 65.07 = 43.47 : x
  2. Step 2: Convert to fraction form
    46.98/65.07 = 43.47/x
  3. Step 3: Cross multiply
    46.98x = 65.07 × 43.47
  4. Step 4: Simplify right side
    46.98x = 2,828.59
  5. Step 5: Solve for x
    x = 2,828.59/46.98
  6. Step 6: Final answer
    x = 60.21

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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.