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Finding the Fourth Proportional to 556.96, 833.05 and 325.27

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Solution

The fourth proportional to 556.96, 833.05 and 325.27 is: 486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.96 : 833.05 = 325.27 : x
  2. Step 2: Convert to fraction form
    556.96/833.05 = 325.27/x
  3. Step 3: Cross multiply
    556.96x = 833.05 × 325.27
  4. Step 4: Simplify right side
    556.96x = 270,966.17
  5. Step 5: Solve for x
    x = 270,966.17/556.96
  6. Step 6: Final answer
    x = 486.51

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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.