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Finding the Fourth Proportional to 161.04, 241.34 and 58.22

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Solution

The fourth proportional to 161.04, 241.34 and 58.22 is: 87.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.04 : 241.34 = 58.22 : x
  2. Step 2: Convert to fraction form
    161.04/241.34 = 58.22/x
  3. Step 3: Cross multiply
    161.04x = 241.34 × 58.22
  4. Step 4: Simplify right side
    161.04x = 14,050.81
  5. Step 5: Solve for x
    x = 14,050.81/161.04
  6. Step 6: Final answer
    x = 87.25

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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.