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Finding the Fourth Proportional to 602.03, 903.10 and 217.19

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Solution

The fourth proportional to 602.03, 903.10 and 217.19 is: 325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.03 : 903.10 = 217.19 : x
  2. Step 2: Convert to fraction form
    602.03/903.10 = 217.19/x
  3. Step 3: Cross multiply
    602.03x = 903.10 × 217.19
  4. Step 4: Simplify right side
    602.03x = 196,139.23
  5. Step 5: Solve for x
    x = 196,139.23/602.03
  6. Step 6: Final answer
    x = 325.80

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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.