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Finding the Fourth Proportional to 263.60, 393.47 and 244.59

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Solution

The fourth proportional to 263.60, 393.47 and 244.59 is: 365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.60 : 393.47 = 244.59 : x
  2. Step 2: Convert to fraction form
    263.60/393.47 = 244.59/x
  3. Step 3: Cross multiply
    263.60x = 393.47 × 244.59
  4. Step 4: Simplify right side
    263.60x = 96,235.64
  5. Step 5: Solve for x
    x = 96,235.64/263.60
  6. Step 6: Final answer
    x = 365.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.