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Finding the Fourth Proportional to 607.18, 837.80 and 341.56

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Solution

The fourth proportional to 607.18, 837.80 and 341.56 is: 471.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.18 : 837.80 = 341.56 : x
  2. Step 2: Convert to fraction form
    607.18/837.80 = 341.56/x
  3. Step 3: Cross multiply
    607.18x = 837.80 × 341.56
  4. Step 4: Simplify right side
    607.18x = 286,158.97
  5. Step 5: Solve for x
    x = 286,158.97/607.18
  6. Step 6: Final answer
    x = 471.29

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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.