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Finding the Fourth Proportional to 529.86, 798.77 and 484.74

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Solution

The fourth proportional to 529.86, 798.77 and 484.74 is: 730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.86 : 798.77 = 484.74 : x
  2. Step 2: Convert to fraction form
    529.86/798.77 = 484.74/x
  3. Step 3: Cross multiply
    529.86x = 798.77 × 484.74
  4. Step 4: Simplify right side
    529.86x = 387,193.35
  5. Step 5: Solve for x
    x = 387,193.35/529.86
  6. Step 6: Final answer
    x = 730.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.