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Finding the Fourth Proportional to 270.05, 372.66 and 165.32

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Solution

The fourth proportional to 270.05, 372.66 and 165.32 is: 228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.05 : 372.66 = 165.32 : x
  2. Step 2: Convert to fraction form
    270.05/372.66 = 165.32/x
  3. Step 3: Cross multiply
    270.05x = 372.66 × 165.32
  4. Step 4: Simplify right side
    270.05x = 61,605.87
  5. Step 5: Solve for x
    x = 61,605.87/270.05
  6. Step 6: Final answer
    x = 228.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.