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Finding the Fourth Proportional to 654.27, 902.88 and 359.52

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Solution

The fourth proportional to 654.27, 902.88 and 359.52 is: 496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.27 : 902.88 = 359.52 : x
  2. Step 2: Convert to fraction form
    654.27/902.88 = 359.52/x
  3. Step 3: Cross multiply
    654.27x = 902.88 × 359.52
  4. Step 4: Simplify right side
    654.27x = 324,603.42
  5. Step 5: Solve for x
    x = 324,603.42/654.27
  6. Step 6: Final answer
    x = 496.13

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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.