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Finding the Fourth Proportional to 73.03, 109.60 and 52.41

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Solution

The fourth proportional to 73.03, 109.60 and 52.41 is: 78.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.03 : 109.60 = 52.41 : x
  2. Step 2: Convert to fraction form
    73.03/109.60 = 52.41/x
  3. Step 3: Cross multiply
    73.03x = 109.60 × 52.41
  4. Step 4: Simplify right side
    73.03x = 5,744.14
  5. Step 5: Solve for x
    x = 5,744.14/73.03
  6. Step 6: Final answer
    x = 78.65

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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.