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Finding the Fourth Proportional to 59.92, 90.01 and 34.31

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Solution

The fourth proportional to 59.92, 90.01 and 34.31 is: 51.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.92 : 90.01 = 34.31 : x
  2. Step 2: Convert to fraction form
    59.92/90.01 = 34.31/x
  3. Step 3: Cross multiply
    59.92x = 90.01 × 34.31
  4. Step 4: Simplify right side
    59.92x = 3,088.00
  5. Step 5: Solve for x
    x = 3,088.00/59.92
  6. Step 6: Final answer
    x = 51.53

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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.