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Finding the Fourth Proportional to 64.36, 97.27 and 63.24

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Solution

The fourth proportional to 64.36, 97.27 and 63.24 is: 95.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.36 : 97.27 = 63.24 : x
  2. Step 2: Convert to fraction form
    64.36/97.27 = 63.24/x
  3. Step 3: Cross multiply
    64.36x = 97.27 × 63.24
  4. Step 4: Simplify right side
    64.36x = 6,151.35
  5. Step 5: Solve for x
    x = 6,151.35/64.36
  6. Step 6: Final answer
    x = 95.58

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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.