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Finding the Fourth Proportional to 529.29, 789.73 and 470.52

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Solution

The fourth proportional to 529.29, 789.73 and 470.52 is: 702.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.29 : 789.73 = 470.52 : x
  2. Step 2: Convert to fraction form
    529.29/789.73 = 470.52/x
  3. Step 3: Cross multiply
    529.29x = 789.73 × 470.52
  4. Step 4: Simplify right side
    529.29x = 371,582.58
  5. Step 5: Solve for x
    x = 371,582.58/529.29
  6. Step 6: Final answer
    x = 702.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.