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Finding the Fourth Proportional to 337.04, 507.97 and 318.20

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Solution

The fourth proportional to 337.04, 507.97 and 318.20 is: 479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.04 : 507.97 = 318.20 : x
  2. Step 2: Convert to fraction form
    337.04/507.97 = 318.20/x
  3. Step 3: Cross multiply
    337.04x = 507.97 × 318.20
  4. Step 4: Simplify right side
    337.04x = 161,635.82
  5. Step 5: Solve for x
    x = 161,635.82/337.04
  6. Step 6: Final answer
    x = 479.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.