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Finding the Fourth Proportional to 602.08, 903.27 and 328.45

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Solution

The fourth proportional to 602.08, 903.27 and 328.45 is: 492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.08 : 903.27 = 328.45 : x
  2. Step 2: Convert to fraction form
    602.08/903.27 = 328.45/x
  3. Step 3: Cross multiply
    602.08x = 903.27 × 328.45
  4. Step 4: Simplify right side
    602.08x = 296,679.03
  5. Step 5: Solve for x
    x = 296,679.03/602.08
  6. Step 6: Final answer
    x = 492.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.