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Finding the Fourth Proportional to 64.34, 96.25 and 60.50

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Solution

The fourth proportional to 64.34, 96.25 and 60.50 is: 90.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.34 : 96.25 = 60.50 : x
  2. Step 2: Convert to fraction form
    64.34/96.25 = 60.50/x
  3. Step 3: Cross multiply
    64.34x = 96.25 × 60.50
  4. Step 4: Simplify right side
    64.34x = 5,823.13
  5. Step 5: Solve for x
    x = 5,823.13/64.34
  6. Step 6: Final answer
    x = 90.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.