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Finding the Fourth Proportional to 59.98, 82.80 and 35.44

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Solution

The fourth proportional to 59.98, 82.80 and 35.44 is: 48.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.98 : 82.80 = 35.44 : x
  2. Step 2: Convert to fraction form
    59.98/82.80 = 35.44/x
  3. Step 3: Cross multiply
    59.98x = 82.80 × 35.44
  4. Step 4: Simplify right side
    59.98x = 2,934.43
  5. Step 5: Solve for x
    x = 2,934.43/59.98
  6. Step 6: Final answer
    x = 48.92

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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.