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Finding the Fourth Proportional to 265.03, 365.73 and 147

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Solution

The fourth proportional to 265.03, 365.73 and 147 is: 202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.03 : 365.73 = 147 : x
  2. Step 2: Convert to fraction form
    265.03/365.73 = 147/x
  3. Step 3: Cross multiply
    265.03x = 365.73 × 147
  4. Step 4: Simplify right side
    265.03x = 53,762.31
  5. Step 5: Solve for x
    x = 53,762.31/265.03
  6. Step 6: Final answer
    x = 202.85

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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.