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Finding the Fourth Proportional to 589.36, 813.33 and 368.44

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Solution

The fourth proportional to 589.36, 813.33 and 368.44 is: 508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.36 : 813.33 = 368.44 : x
  2. Step 2: Convert to fraction form
    589.36/813.33 = 368.44/x
  3. Step 3: Cross multiply
    589.36x = 813.33 × 368.44
  4. Step 4: Simplify right side
    589.36x = 299,661.46
  5. Step 5: Solve for x
    x = 299,661.46/589.36
  6. Step 6: Final answer
    x = 508.45

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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.