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Finding the Fourth Proportional to 134.39, 201.66 and 62.25

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Solution

The fourth proportional to 134.39, 201.66 and 62.25 is: 93.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.39 : 201.66 = 62.25 : x
  2. Step 2: Convert to fraction form
    134.39/201.66 = 62.25/x
  3. Step 3: Cross multiply
    134.39x = 201.66 × 62.25
  4. Step 4: Simplify right side
    134.39x = 12,553.34
  5. Step 5: Solve for x
    x = 12,553.34/134.39
  6. Step 6: Final answer
    x = 93.41

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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.