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Finding the Fourth Proportional to 608.07, 837.63 and 484.14

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Solution

The fourth proportional to 608.07, 837.63 and 484.14 is: 666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.07 : 837.63 = 484.14 : x
  2. Step 2: Convert to fraction form
    608.07/837.63 = 484.14/x
  3. Step 3: Cross multiply
    608.07x = 837.63 × 484.14
  4. Step 4: Simplify right side
    608.07x = 405,530.19
  5. Step 5: Solve for x
    x = 405,530.19/608.07
  6. Step 6: Final answer
    x = 666.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.