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Finding the Fourth Proportional to 585.15, 807.50 and 336.47

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Solution

The fourth proportional to 585.15, 807.50 and 336.47 is: 464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.15 : 807.50 = 336.47 : x
  2. Step 2: Convert to fraction form
    585.15/807.50 = 336.47/x
  3. Step 3: Cross multiply
    585.15x = 807.50 × 336.47
  4. Step 4: Simplify right side
    585.15x = 271,696.33
  5. Step 5: Solve for x
    x = 271,696.33/585.15
  6. Step 6: Final answer
    x = 464.32

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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.