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Finding the Fourth Proportional to 107.36, 160.65 and 93.08

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Solution

The fourth proportional to 107.36, 160.65 and 93.08 is: 139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.36 : 160.65 = 93.08 : x
  2. Step 2: Convert to fraction form
    107.36/160.65 = 93.08/x
  3. Step 3: Cross multiply
    107.36x = 160.65 × 93.08
  4. Step 4: Simplify right side
    107.36x = 14,953.70
  5. Step 5: Solve for x
    x = 14,953.70/107.36
  6. Step 6: Final answer
    x = 139.29

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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.