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Finding the Fourth Proportional to 356.33, 491.52 and 263.04

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Solution

The fourth proportional to 356.33, 491.52 and 263.04 is: 362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.33 : 491.52 = 263.04 : x
  2. Step 2: Convert to fraction form
    356.33/491.52 = 263.04/x
  3. Step 3: Cross multiply
    356.33x = 491.52 × 263.04
  4. Step 4: Simplify right side
    356.33x = 129,289.42
  5. Step 5: Solve for x
    x = 129,289.42/356.33
  6. Step 6: Final answer
    x = 362.84

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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.