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Finding the Fourth Proportional to 59.11, 88.69 and 28.66

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Solution

The fourth proportional to 59.11, 88.69 and 28.66 is: 43.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.11 : 88.69 = 28.66 : x
  2. Step 2: Convert to fraction form
    59.11/88.69 = 28.66/x
  3. Step 3: Cross multiply
    59.11x = 88.69 × 28.66
  4. Step 4: Simplify right side
    59.11x = 2,542.01
  5. Step 5: Solve for x
    x = 2,542.01/59.11
  6. Step 6: Final answer
    x = 43.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.