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Finding the Fourth Proportional to 95.63, 143.44 and 37.84

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Solution

The fourth proportional to 95.63, 143.44 and 37.84 is: 56.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.63 : 143.44 = 37.84 : x
  2. Step 2: Convert to fraction form
    95.63/143.44 = 37.84/x
  3. Step 3: Cross multiply
    95.63x = 143.44 × 37.84
  4. Step 4: Simplify right side
    95.63x = 5,426.86
  5. Step 5: Solve for x
    x = 5,426.86/95.63
  6. Step 6: Final answer
    x = 56.75

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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.