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Finding the Fourth Proportional to 585.91, 808.94 and 365.19

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Solution

The fourth proportional to 585.91, 808.94 and 365.19 is: 504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.91 : 808.94 = 365.19 : x
  2. Step 2: Convert to fraction form
    585.91/808.94 = 365.19/x
  3. Step 3: Cross multiply
    585.91x = 808.94 × 365.19
  4. Step 4: Simplify right side
    585.91x = 295,416.80
  5. Step 5: Solve for x
    x = 295,416.80/585.91
  6. Step 6: Final answer
    x = 504.20

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Double scale
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Similar ratio
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1.5x scale

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.