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Finding the Fourth Proportional to 585.11, 807.40 and 336.42

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Solution

The fourth proportional to 585.11, 807.40 and 336.42 is: 464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.11 : 807.40 = 336.42 : x
  2. Step 2: Convert to fraction form
    585.11/807.40 = 336.42/x
  3. Step 3: Cross multiply
    585.11x = 807.40 × 336.42
  4. Step 4: Simplify right side
    585.11x = 271,621.47
  5. Step 5: Solve for x
    x = 271,621.47/585.11
  6. Step 6: Final answer
    x = 464.22

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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.