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Finding the Fourth Proportional to 572.41, 854.83 and 499.51

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Solution

The fourth proportional to 572.41, 854.83 and 499.51 is: 745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.41 : 854.83 = 499.51 : x
  2. Step 2: Convert to fraction form
    572.41/854.83 = 499.51/x
  3. Step 3: Cross multiply
    572.41x = 854.83 × 499.51
  4. Step 4: Simplify right side
    572.41x = 426,996.13
  5. Step 5: Solve for x
    x = 426,996.13/572.41
  6. Step 6: Final answer
    x = 745.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.