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Finding the Fourth Proportional to 60.37, 83.25 and 45.65

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Solution

The fourth proportional to 60.37, 83.25 and 45.65 is: 62.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.37 : 83.25 = 45.65 : x
  2. Step 2: Convert to fraction form
    60.37/83.25 = 45.65/x
  3. Step 3: Cross multiply
    60.37x = 83.25 × 45.65
  4. Step 4: Simplify right side
    60.37x = 3,800.06
  5. Step 5: Solve for x
    x = 3,800.06/60.37
  6. Step 6: Final answer
    x = 62.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.