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Finding the Fourth Proportional to 62.32, 93.46 and 19.56

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Solution

The fourth proportional to 62.32, 93.46 and 19.56 is: 29.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.32 : 93.46 = 19.56 : x
  2. Step 2: Convert to fraction form
    62.32/93.46 = 19.56/x
  3. Step 3: Cross multiply
    62.32x = 93.46 × 19.56
  4. Step 4: Simplify right side
    62.32x = 1,828.08
  5. Step 5: Solve for x
    x = 1,828.08/62.32
  6. Step 6: Final answer
    x = 29.33

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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.