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Finding the Fourth Proportional to 58.36, 87.98 and 54.44

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Solution

The fourth proportional to 58.36, 87.98 and 54.44 is: 82.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.36 : 87.98 = 54.44 : x
  2. Step 2: Convert to fraction form
    58.36/87.98 = 54.44/x
  3. Step 3: Cross multiply
    58.36x = 87.98 × 54.44
  4. Step 4: Simplify right side
    58.36x = 4,789.63
  5. Step 5: Solve for x
    x = 4,789.63/58.36
  6. Step 6: Final answer
    x = 82.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.