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Finding the Fourth Proportional to 532.11, 797.78 and 358.34

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Solution

The fourth proportional to 532.11, 797.78 and 358.34 is: 537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.11 : 797.78 = 358.34 : x
  2. Step 2: Convert to fraction form
    532.11/797.78 = 358.34/x
  3. Step 3: Cross multiply
    532.11x = 797.78 × 358.34
  4. Step 4: Simplify right side
    532.11x = 285,876.69
  5. Step 5: Solve for x
    x = 285,876.69/532.11
  6. Step 6: Final answer
    x = 537.25

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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.