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Finding the Fourth Proportional to 137.03, 205.45 and 59.96

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Solution

The fourth proportional to 137.03, 205.45 and 59.96 is: 89.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137.03 : 205.45 = 59.96 : x
  2. Step 2: Convert to fraction form
    137.03/205.45 = 59.96/x
  3. Step 3: Cross multiply
    137.03x = 205.45 × 59.96
  4. Step 4: Simplify right side
    137.03x = 12,317.60
  5. Step 5: Solve for x
    x = 12,317.60/137.03
  6. Step 6: Final answer
    x = 89.89

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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.