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Finding the Fourth Proportional to 544.08, 816.32 and 197.40

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Solution

The fourth proportional to 544.08, 816.32 and 197.40 is: 296.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.08 : 816.32 = 197.40 : x
  2. Step 2: Convert to fraction form
    544.08/816.32 = 197.40/x
  3. Step 3: Cross multiply
    544.08x = 816.32 × 197.40
  4. Step 4: Simplify right side
    544.08x = 161,141.57
  5. Step 5: Solve for x
    x = 161,141.57/544.08
  6. Step 6: Final answer
    x = 296.17

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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.