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Finding the Fourth Proportional to 607.56, 838.41 and 341.98

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Solution

The fourth proportional to 607.56, 838.41 and 341.98 is: 471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.56 : 838.41 = 341.98 : x
  2. Step 2: Convert to fraction form
    607.56/838.41 = 341.98/x
  3. Step 3: Cross multiply
    607.56x = 838.41 × 341.98
  4. Step 4: Simplify right side
    607.56x = 286,719.45
  5. Step 5: Solve for x
    x = 286,719.45/607.56
  6. Step 6: Final answer
    x = 471.92

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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.