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Finding the Fourth Proportional to 134.51, 201.81 and 62.42

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Solution

The fourth proportional to 134.51, 201.81 and 62.42 is: 93.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.51 : 201.81 = 62.42 : x
  2. Step 2: Convert to fraction form
    134.51/201.81 = 62.42/x
  3. Step 3: Cross multiply
    134.51x = 201.81 × 62.42
  4. Step 4: Simplify right side
    134.51x = 12,596.98
  5. Step 5: Solve for x
    x = 12,596.98/134.51
  6. Step 6: Final answer
    x = 93.65

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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.