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Finding the Fourth Proportional to 607.40, 839.05 and 584.92

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Solution

The fourth proportional to 607.40, 839.05 and 584.92 is: 808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.40 : 839.05 = 584.92 : x
  2. Step 2: Convert to fraction form
    607.40/839.05 = 584.92/x
  3. Step 3: Cross multiply
    607.40x = 839.05 × 584.92
  4. Step 4: Simplify right side
    607.40x = 490,773.57
  5. Step 5: Solve for x
    x = 490,773.57/607.40
  6. Step 6: Final answer
    x = 808.00

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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.