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Finding the Fourth Proportional to 557.52, 834.70 and 410.28

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Solution

The fourth proportional to 557.52, 834.70 and 410.28 is: 614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.52 : 834.70 = 410.28 : x
  2. Step 2: Convert to fraction form
    557.52/834.70 = 410.28/x
  3. Step 3: Cross multiply
    557.52x = 834.70 × 410.28
  4. Step 4: Simplify right side
    557.52x = 342,460.72
  5. Step 5: Solve for x
    x = 342,460.72/557.52
  6. Step 6: Final answer
    x = 614.26

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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.