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Finding the Fourth Proportional to 624.03, 860.80 and 375.27

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Solution

The fourth proportional to 624.03, 860.80 and 375.27 is: 517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.03 : 860.80 = 375.27 : x
  2. Step 2: Convert to fraction form
    624.03/860.80 = 375.27/x
  3. Step 3: Cross multiply
    624.03x = 860.80 × 375.27
  4. Step 4: Simplify right side
    624.03x = 323,032.42
  5. Step 5: Solve for x
    x = 323,032.42/624.03
  6. Step 6: Final answer
    x = 517.66

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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.