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Finding the Fourth Proportional to 59.66, 89.01 and 54.26

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Solution

The fourth proportional to 59.66, 89.01 and 54.26 is: 80.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.66 : 89.01 = 54.26 : x
  2. Step 2: Convert to fraction form
    59.66/89.01 = 54.26/x
  3. Step 3: Cross multiply
    59.66x = 89.01 × 54.26
  4. Step 4: Simplify right side
    59.66x = 4,829.68
  5. Step 5: Solve for x
    x = 4,829.68/59.66
  6. Step 6: Final answer
    x = 80.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.