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Finding the Fourth Proportional to 56.59, 84.78 and 41.37

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Solution

The fourth proportional to 56.59, 84.78 and 41.37 is: 61.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.59 : 84.78 = 41.37 : x
  2. Step 2: Convert to fraction form
    56.59/84.78 = 41.37/x
  3. Step 3: Cross multiply
    56.59x = 84.78 × 41.37
  4. Step 4: Simplify right side
    56.59x = 3,507.35
  5. Step 5: Solve for x
    x = 3,507.35/56.59
  6. Step 6: Final answer
    x = 61.98

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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.