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Finding the Fourth Proportional to 484.94, 730.25 and 348.93

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Solution

The fourth proportional to 484.94, 730.25 and 348.93 is: 525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.94 : 730.25 = 348.93 : x
  2. Step 2: Convert to fraction form
    484.94/730.25 = 348.93/x
  3. Step 3: Cross multiply
    484.94x = 730.25 × 348.93
  4. Step 4: Simplify right side
    484.94x = 254,804.39
  5. Step 5: Solve for x
    x = 254,804.39/484.94
  6. Step 6: Final answer
    x = 525.43

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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.