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Finding the Fourth Proportional to 592.08, 817.19 and 542.89

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Solution

The fourth proportional to 592.08, 817.19 and 542.89 is: 749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.08 : 817.19 = 542.89 : x
  2. Step 2: Convert to fraction form
    592.08/817.19 = 542.89/x
  3. Step 3: Cross multiply
    592.08x = 817.19 × 542.89
  4. Step 4: Simplify right side
    592.08x = 443,644.28
  5. Step 5: Solve for x
    x = 443,644.28/592.08
  6. Step 6: Final answer
    x = 749.30

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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.