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Finding the Fourth Proportional to 265.29, 365.75 and 191.48

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Solution

The fourth proportional to 265.29, 365.75 and 191.48 is: 263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.29 : 365.75 = 191.48 : x
  2. Step 2: Convert to fraction form
    265.29/365.75 = 191.48/x
  3. Step 3: Cross multiply
    265.29x = 365.75 × 191.48
  4. Step 4: Simplify right side
    265.29x = 70,031.02
  5. Step 5: Solve for x
    x = 70,031.02/265.29
  6. Step 6: Final answer
    x = 263.98

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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.