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Finding the Fourth Proportional to 264.48, 365.04 and 177.20

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Solution

The fourth proportional to 264.48, 365.04 and 177.20 is: 244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.48 : 365.04 = 177.20 : x
  2. Step 2: Convert to fraction form
    264.48/365.04 = 177.20/x
  3. Step 3: Cross multiply
    264.48x = 365.04 × 177.20
  4. Step 4: Simplify right side
    264.48x = 64,685.09
  5. Step 5: Solve for x
    x = 64,685.09/264.48
  6. Step 6: Final answer
    x = 244.57

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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.