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Finding the Fourth Proportional to 60.36, 91.06 and 60.36

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Solution

The fourth proportional to 60.36, 91.06 and 60.36 is: 91.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.36 : 91.06 = 60.36 : x
  2. Step 2: Convert to fraction form
    60.36/91.06 = 60.36/x
  3. Step 3: Cross multiply
    60.36x = 91.06 × 60.36
  4. Step 4: Simplify right side
    60.36x = 5,496.38
  5. Step 5: Solve for x
    x = 5,496.38/60.36
  6. Step 6: Final answer
    x = 91.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.