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Finding the Fourth Proportional to 60.53, 83.63 and 48.36

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Solution

The fourth proportional to 60.53, 83.63 and 48.36 is: 66.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.53 : 83.63 = 48.36 : x
  2. Step 2: Convert to fraction form
    60.53/83.63 = 48.36/x
  3. Step 3: Cross multiply
    60.53x = 83.63 × 48.36
  4. Step 4: Simplify right side
    60.53x = 4,044.35
  5. Step 5: Solve for x
    x = 4,044.35/60.53
  6. Step 6: Final answer
    x = 66.82

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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.