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Finding the Fourth Proportional to 607.04, 836.90 and 438.84

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Solution

The fourth proportional to 607.04, 836.90 and 438.84 is: 605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.04 : 836.90 = 438.84 : x
  2. Step 2: Convert to fraction form
    607.04/836.90 = 438.84/x
  3. Step 3: Cross multiply
    607.04x = 836.90 × 438.84
  4. Step 4: Simplify right side
    607.04x = 367,265.20
  5. Step 5: Solve for x
    x = 367,265.20/607.04
  6. Step 6: Final answer
    x = 605.01

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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.