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Finding the Fourth Proportional to 337.88, 503.75 and 317.22

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Solution

The fourth proportional to 337.88, 503.75 and 317.22 is: 472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.88 : 503.75 = 317.22 : x
  2. Step 2: Convert to fraction form
    337.88/503.75 = 317.22/x
  3. Step 3: Cross multiply
    337.88x = 503.75 × 317.22
  4. Step 4: Simplify right side
    337.88x = 159,797.99
  5. Step 5: Solve for x
    x = 159,797.99/337.88
  6. Step 6: Final answer
    x = 472.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.