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Finding the Fourth Proportional to 368.45, 552.29 and 173.54

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Solution

The fourth proportional to 368.45, 552.29 and 173.54 is: 260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.45 : 552.29 = 173.54 : x
  2. Step 2: Convert to fraction form
    368.45/552.29 = 173.54/x
  3. Step 3: Cross multiply
    368.45x = 552.29 × 173.54
  4. Step 4: Simplify right side
    368.45x = 95,840.78
  5. Step 5: Solve for x
    x = 95,840.78/368.45
  6. Step 6: Final answer
    x = 260.12

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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.