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Finding the Fourth Proportional to 534.78, 736.52 and 461.07

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Solution

The fourth proportional to 534.78, 736.52 and 461.07 is: 635.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.78 : 736.52 = 461.07 : x
  2. Step 2: Convert to fraction form
    534.78/736.52 = 461.07/x
  3. Step 3: Cross multiply
    534.78x = 736.52 × 461.07
  4. Step 4: Simplify right side
    534.78x = 339,587.28
  5. Step 5: Solve for x
    x = 339,587.28/534.78
  6. Step 6: Final answer
    x = 635.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.