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Finding the Fourth Proportional to 508.35, 701.91 and 446.91

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Solution

The fourth proportional to 508.35, 701.91 and 446.91 is: 617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.35 : 701.91 = 446.91 : x
  2. Step 2: Convert to fraction form
    508.35/701.91 = 446.91/x
  3. Step 3: Cross multiply
    508.35x = 701.91 × 446.91
  4. Step 4: Simplify right side
    508.35x = 313,690.60
  5. Step 5: Solve for x
    x = 313,690.60/508.35
  6. Step 6: Final answer
    x = 617.08

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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.