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Finding the Fourth Proportional to 65.68, 99.01 and 61.27

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Solution

The fourth proportional to 65.68, 99.01 and 61.27 is: 92.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65.68 : 99.01 = 61.27 : x
  2. Step 2: Convert to fraction form
    65.68/99.01 = 61.27/x
  3. Step 3: Cross multiply
    65.68x = 99.01 × 61.27
  4. Step 4: Simplify right side
    65.68x = 6,066.04
  5. Step 5: Solve for x
    x = 6,066.04/65.68
  6. Step 6: Final answer
    x = 92.36

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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.