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Finding the Fourth Proportional to 446.25, 616.10 and 291.27

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Solution

The fourth proportional to 446.25, 616.10 and 291.27 is: 402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.25 : 616.10 = 291.27 : x
  2. Step 2: Convert to fraction form
    446.25/616.10 = 291.27/x
  3. Step 3: Cross multiply
    446.25x = 616.10 × 291.27
  4. Step 4: Simplify right side
    446.25x = 179,449.99
  5. Step 5: Solve for x
    x = 179,449.99/446.25
  6. Step 6: Final answer
    x = 402.13

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Double scale
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Similar ratio
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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.