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Finding the Fourth Proportional to 59.01, 89.01 and 57.52

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Solution

The fourth proportional to 59.01, 89.01 and 57.52 is: 86.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.01 : 89.01 = 57.52 : x
  2. Step 2: Convert to fraction form
    59.01/89.01 = 57.52/x
  3. Step 3: Cross multiply
    59.01x = 89.01 × 57.52
  4. Step 4: Simplify right side
    59.01x = 5,119.86
  5. Step 5: Solve for x
    x = 5,119.86/59.01
  6. Step 6: Final answer
    x = 86.76

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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.