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Finding the Fourth Proportional to 557.38, 841.08 and 537.03

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Solution

The fourth proportional to 557.38, 841.08 and 537.03 is: 810.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.38 : 841.08 = 537.03 : x
  2. Step 2: Convert to fraction form
    557.38/841.08 = 537.03/x
  3. Step 3: Cross multiply
    557.38x = 841.08 × 537.03
  4. Step 4: Simplify right side
    557.38x = 451,687.21
  5. Step 5: Solve for x
    x = 451,687.21/557.38
  6. Step 6: Final answer
    x = 810.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.