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Finding the Fourth Proportional to 624.52, 859.80 and 541.36

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Solution

The fourth proportional to 624.52, 859.80 and 541.36 is: 745.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.52 : 859.80 = 541.36 : x
  2. Step 2: Convert to fraction form
    624.52/859.80 = 541.36/x
  3. Step 3: Cross multiply
    624.52x = 859.80 × 541.36
  4. Step 4: Simplify right side
    624.52x = 465,461.33
  5. Step 5: Solve for x
    x = 465,461.33/624.52
  6. Step 6: Final answer
    x = 745.31

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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.