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Finding the Fourth Proportional to 197.04, 295.38 and 88.77

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Solution

The fourth proportional to 197.04, 295.38 and 88.77 is: 133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.04 : 295.38 = 88.77 : x
  2. Step 2: Convert to fraction form
    197.04/295.38 = 88.77/x
  3. Step 3: Cross multiply
    197.04x = 295.38 × 88.77
  4. Step 4: Simplify right side
    197.04x = 26,220.88
  5. Step 5: Solve for x
    x = 26,220.88/197.04
  6. Step 6: Final answer
    x = 133.07

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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.