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Finding the Fourth Proportional to 556.47, 833.76 and 351.54

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Solution

The fourth proportional to 556.47, 833.76 and 351.54 is: 526.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.47 : 833.76 = 351.54 : x
  2. Step 2: Convert to fraction form
    556.47/833.76 = 351.54/x
  3. Step 3: Cross multiply
    556.47x = 833.76 × 351.54
  4. Step 4: Simplify right side
    556.47x = 293,099.99
  5. Step 5: Solve for x
    x = 293,099.99/556.47
  6. Step 6: Final answer
    x = 526.71

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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.