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Finding the Fourth Proportional to 585, 807.44 and 363.81

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Solution

The fourth proportional to 585, 807.44 and 363.81 is: 502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    585 : 807.44 = 363.81 : x
  2. Step 2: Convert to fraction form
    585/807.44 = 363.81/x
  3. Step 3: Cross multiply
    585x = 807.44 × 363.81
  4. Step 4: Simplify right side
    585x = 293,754.75
  5. Step 5: Solve for x
    x = 293,754.75/585
  6. Step 6: Final answer
    x = 502.14

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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.