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Finding the Fourth Proportional to 56.06, 83.98 and 30.37

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Solution

The fourth proportional to 56.06, 83.98 and 30.37 is: 45.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.06 : 83.98 = 30.37 : x
  2. Step 2: Convert to fraction form
    56.06/83.98 = 30.37/x
  3. Step 3: Cross multiply
    56.06x = 83.98 × 30.37
  4. Step 4: Simplify right side
    56.06x = 2,550.47
  5. Step 5: Solve for x
    x = 2,550.47/56.06
  6. Step 6: Final answer
    x = 45.50

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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.