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Finding the Fourth Proportional to 270.58, 373.32 and 165.56

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Solution

The fourth proportional to 270.58, 373.32 and 165.56 is: 228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.58 : 373.32 = 165.56 : x
  2. Step 2: Convert to fraction form
    270.58/373.32 = 165.56/x
  3. Step 3: Cross multiply
    270.58x = 373.32 × 165.56
  4. Step 4: Simplify right side
    270.58x = 61,806.86
  5. Step 5: Solve for x
    x = 61,806.86/270.58
  6. Step 6: Final answer
    x = 228.42

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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.