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Finding the Fourth Proportional to 545.04, 817.09 and 198.14

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Solution

The fourth proportional to 545.04, 817.09 and 198.14 is: 297.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.04 : 817.09 = 198.14 : x
  2. Step 2: Convert to fraction form
    545.04/817.09 = 198.14/x
  3. Step 3: Cross multiply
    545.04x = 817.09 × 198.14
  4. Step 4: Simplify right side
    545.04x = 161,893.63
  5. Step 5: Solve for x
    x = 161,893.63/545.04
  6. Step 6: Final answer
    x = 297.03

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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.