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Finding the Fourth Proportional to 88.94, 133.46 and 34.84

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Solution

The fourth proportional to 88.94, 133.46 and 34.84 is: 52.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.94 : 133.46 = 34.84 : x
  2. Step 2: Convert to fraction form
    88.94/133.46 = 34.84/x
  3. Step 3: Cross multiply
    88.94x = 133.46 × 34.84
  4. Step 4: Simplify right side
    88.94x = 4,649.75
  5. Step 5: Solve for x
    x = 4,649.75/88.94
  6. Step 6: Final answer
    x = 52.28

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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.