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Finding the Fourth Proportional to 63.69, 94.97 and 59.99

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Solution

The fourth proportional to 63.69, 94.97 and 59.99 is: 89.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.69 : 94.97 = 59.99 : x
  2. Step 2: Convert to fraction form
    63.69/94.97 = 59.99/x
  3. Step 3: Cross multiply
    63.69x = 94.97 × 59.99
  4. Step 4: Simplify right side
    63.69x = 5,697.46
  5. Step 5: Solve for x
    x = 5,697.46/63.69
  6. Step 6: Final answer
    x = 89.46

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Why These Related Problems?

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