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Finding the Fourth Proportional to 606.89, 910.04 and 402.77

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Solution

The fourth proportional to 606.89, 910.04 and 402.77 is: 603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.89 : 910.04 = 402.77 : x
  2. Step 2: Convert to fraction form
    606.89/910.04 = 402.77/x
  3. Step 3: Cross multiply
    606.89x = 910.04 × 402.77
  4. Step 4: Simplify right side
    606.89x = 366,537.07
  5. Step 5: Solve for x
    x = 366,537.07/606.89
  6. Step 6: Final answer
    x = 603.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.