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Finding the Fourth Proportional to 585.15, 881.75 and 484.70

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Solution

The fourth proportional to 585.15, 881.75 and 484.70 is: 730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.15 : 881.75 = 484.70 : x
  2. Step 2: Convert to fraction form
    585.15/881.75 = 484.70/x
  3. Step 3: Cross multiply
    585.15x = 881.75 × 484.70
  4. Step 4: Simplify right side
    585.15x = 427,377.39
  5. Step 5: Solve for x
    x = 427,377.39/585.15
  6. Step 6: Final answer
    x = 730.37

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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.