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Finding the Fourth Proportional to 584.72, 877.34 and 310.75

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Solution

The fourth proportional to 584.72, 877.34 and 310.75 is: 466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.72 : 877.34 = 310.75 : x
  2. Step 2: Convert to fraction form
    584.72/877.34 = 310.75/x
  3. Step 3: Cross multiply
    584.72x = 877.34 × 310.75
  4. Step 4: Simplify right side
    584.72x = 272,631.99
  5. Step 5: Solve for x
    x = 272,631.99/584.72
  6. Step 6: Final answer
    x = 466.26

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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.