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Finding the Fourth Proportional to 265.34, 365.04 and 259.20

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Solution

The fourth proportional to 265.34, 365.04 and 259.20 is: 356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.34 : 365.04 = 259.20 : x
  2. Step 2: Convert to fraction form
    265.34/365.04 = 259.20/x
  3. Step 3: Cross multiply
    265.34x = 365.04 × 259.20
  4. Step 4: Simplify right side
    265.34x = 94,618.37
  5. Step 5: Solve for x
    x = 94,618.37/265.34
  6. Step 6: Final answer
    x = 356.59

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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.