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Finding the Fourth Proportional to 592.92, 821.55 and 579.48

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Solution

The fourth proportional to 592.92, 821.55 and 579.48 is: 802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.92 : 821.55 = 579.48 : x
  2. Step 2: Convert to fraction form
    592.92/821.55 = 579.48/x
  3. Step 3: Cross multiply
    592.92x = 821.55 × 579.48
  4. Step 4: Simplify right side
    592.92x = 476,071.79
  5. Step 5: Solve for x
    x = 476,071.79/592.92
  6. Step 6: Final answer
    x = 802.93

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.