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Finding the Fourth Proportional to 68.02, 101.48 and 60.43

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Solution

The fourth proportional to 68.02, 101.48 and 60.43 is: 90.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.02 : 101.48 = 60.43 : x
  2. Step 2: Convert to fraction form
    68.02/101.48 = 60.43/x
  3. Step 3: Cross multiply
    68.02x = 101.48 × 60.43
  4. Step 4: Simplify right side
    68.02x = 6,132.44
  5. Step 5: Solve for x
    x = 6,132.44/68.02
  6. Step 6: Final answer
    x = 90.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.