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Finding the Fourth Proportional to 60.33, 83.13 and 53.71

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Solution

The fourth proportional to 60.33, 83.13 and 53.71 is: 74.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.33 : 83.13 = 53.71 : x
  2. Step 2: Convert to fraction form
    60.33/83.13 = 53.71/x
  3. Step 3: Cross multiply
    60.33x = 83.13 × 53.71
  4. Step 4: Simplify right side
    60.33x = 4,464.91
  5. Step 5: Solve for x
    x = 4,464.91/60.33
  6. Step 6: Final answer
    x = 74.01

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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.