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Finding the Fourth Proportional to 59.45, 82.04 and 32.87

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Solution

The fourth proportional to 59.45, 82.04 and 32.87 is: 45.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.45 : 82.04 = 32.87 : x
  2. Step 2: Convert to fraction form
    59.45/82.04 = 32.87/x
  3. Step 3: Cross multiply
    59.45x = 82.04 × 32.87
  4. Step 4: Simplify right side
    59.45x = 2,696.94
  5. Step 5: Solve for x
    x = 2,696.94/59.45
  6. Step 6: Final answer
    x = 45.36

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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.