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Finding the Fourth Proportional to 659.58, 983.57 and 606.39

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Solution

The fourth proportional to 659.58, 983.57 and 606.39 is: 904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    659.58 : 983.57 = 606.39 : x
  2. Step 2: Convert to fraction form
    659.58/983.57 = 606.39/x
  3. Step 3: Cross multiply
    659.58x = 983.57 × 606.39
  4. Step 4: Simplify right side
    659.58x = 596,427.01
  5. Step 5: Solve for x
    x = 596,427.01/659.58
  6. Step 6: Final answer
    x = 904.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.