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Finding the Fourth Proportional to 132.04, 197.79 and 59.68

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Solution

The fourth proportional to 132.04, 197.79 and 59.68 is: 89.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.04 : 197.79 = 59.68 : x
  2. Step 2: Convert to fraction form
    132.04/197.79 = 59.68/x
  3. Step 3: Cross multiply
    132.04x = 197.79 × 59.68
  4. Step 4: Simplify right side
    132.04x = 11,804.11
  5. Step 5: Solve for x
    x = 11,804.11/132.04
  6. Step 6: Final answer
    x = 89.40

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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.