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Finding the Fourth Proportional to 263.35, 393.07 and 232.60

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Solution

The fourth proportional to 263.35, 393.07 and 232.60 is: 347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.35 : 393.07 = 232.60 : x
  2. Step 2: Convert to fraction form
    263.35/393.07 = 232.60/x
  3. Step 3: Cross multiply
    263.35x = 393.07 × 232.60
  4. Step 4: Simplify right side
    263.35x = 91,428.08
  5. Step 5: Solve for x
    x = 91,428.08/263.35
  6. Step 6: Final answer
    x = 347.17

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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.