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Finding the Fourth Proportional to 107.13, 160.56 and 58.98

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Solution

The fourth proportional to 107.13, 160.56 and 58.98 is: 88.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.13 : 160.56 = 58.98 : x
  2. Step 2: Convert to fraction form
    107.13/160.56 = 58.98/x
  3. Step 3: Cross multiply
    107.13x = 160.56 × 58.98
  4. Step 4: Simplify right side
    107.13x = 9,469.83
  5. Step 5: Solve for x
    x = 9,469.83/107.13
  6. Step 6: Final answer
    x = 88.40

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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.