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Finding the Fourth Proportional to 161.51, 241.67 and 93.08

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Solution

The fourth proportional to 161.51, 241.67 and 93.08 is: 139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.51 : 241.67 = 93.08 : x
  2. Step 2: Convert to fraction form
    161.51/241.67 = 93.08/x
  3. Step 3: Cross multiply
    161.51x = 241.67 × 93.08
  4. Step 4: Simplify right side
    161.51x = 22,495.48
  5. Step 5: Solve for x
    x = 22,495.48/161.51
  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.