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Finding the Fourth Proportional to 60.44, 83.42 and 57.53

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Solution

The fourth proportional to 60.44, 83.42 and 57.53 is: 79.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.44 : 83.42 = 57.53 : x
  2. Step 2: Convert to fraction form
    60.44/83.42 = 57.53/x
  3. Step 3: Cross multiply
    60.44x = 83.42 × 57.53
  4. Step 4: Simplify right side
    60.44x = 4,798.45
  5. Step 5: Solve for x
    x = 4,798.45/60.44
  6. Step 6: Final answer
    x = 79.40

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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.