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Finding the Fourth Proportional to 592.77, 818.43 and 383.45

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Solution

The fourth proportional to 592.77, 818.43 and 383.45 is: 529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.77 : 818.43 = 383.45 : x
  2. Step 2: Convert to fraction form
    592.77/818.43 = 383.45/x
  3. Step 3: Cross multiply
    592.77x = 818.43 × 383.45
  4. Step 4: Simplify right side
    592.77x = 313,828.07
  5. Step 5: Solve for x
    x = 313,828.07/592.77
  6. Step 6: Final answer
    x = 529.43

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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.