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Finding the Fourth Proportional to 585.36, 807.38 and 364.42

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Solution

The fourth proportional to 585.36, 807.38 and 364.42 is: 502.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.36 : 807.38 = 364.42 : x
  2. Step 2: Convert to fraction form
    585.36/807.38 = 364.42/x
  3. Step 3: Cross multiply
    585.36x = 807.38 × 364.42
  4. Step 4: Simplify right side
    585.36x = 294,225.42
  5. Step 5: Solve for x
    x = 294,225.42/585.36
  6. Step 6: Final answer
    x = 502.64

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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.