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Finding the Fourth Proportional to 607.16, 838.14 and 476.68

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Solution

The fourth proportional to 607.16, 838.14 and 476.68 is: 658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.16 : 838.14 = 476.68 : x
  2. Step 2: Convert to fraction form
    607.16/838.14 = 476.68/x
  3. Step 3: Cross multiply
    607.16x = 838.14 × 476.68
  4. Step 4: Simplify right side
    607.16x = 399,524.58
  5. Step 5: Solve for x
    x = 399,524.58/607.16
  6. Step 6: Final answer
    x = 658.02

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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.