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Finding the Fourth Proportional to 608.77, 841.35 and 451.63

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Solution

The fourth proportional to 608.77, 841.35 and 451.63 is: 624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.77 : 841.35 = 451.63 : x
  2. Step 2: Convert to fraction form
    608.77/841.35 = 451.63/x
  3. Step 3: Cross multiply
    608.77x = 841.35 × 451.63
  4. Step 4: Simplify right side
    608.77x = 379,978.90
  5. Step 5: Solve for x
    x = 379,978.90/608.77
  6. Step 6: Final answer
    x = 624.17

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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.