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Finding the Fourth Proportional to 484.17, 670.97 and 474.93

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Solution

The fourth proportional to 484.17, 670.97 and 474.93 is: 658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.17 : 670.97 = 474.93 : x
  2. Step 2: Convert to fraction form
    484.17/670.97 = 474.93/x
  3. Step 3: Cross multiply
    484.17x = 670.97 × 474.93
  4. Step 4: Simplify right side
    484.17x = 318,663.92
  5. Step 5: Solve for x
    x = 318,663.92/484.17
  6. Step 6: Final answer
    x = 658.17

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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.