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Finding the Fourth Proportional to 65.16, 97.34 and 63.02

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Solution

The fourth proportional to 65.16, 97.34 and 63.02 is: 94.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65.16 : 97.34 = 63.02 : x
  2. Step 2: Convert to fraction form
    65.16/97.34 = 63.02/x
  3. Step 3: Cross multiply
    65.16x = 97.34 × 63.02
  4. Step 4: Simplify right side
    65.16x = 6,134.30
  5. Step 5: Solve for x
    x = 6,134.30/65.16
  6. Step 6: Final answer
    x = 94.14

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