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Finding the Fourth Proportional to 659.62, 910.00 and 607.16

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Solution

The fourth proportional to 659.62, 910.00 and 607.16 is: 837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    659.62 : 910.00 = 607.16 : x
  2. Step 2: Convert to fraction form
    659.62/910.00 = 607.16/x
  3. Step 3: Cross multiply
    659.62x = 910.00 × 607.16
  4. Step 4: Simplify right side
    659.62x = 552,518.63
  5. Step 5: Solve for x
    x = 552,518.63/659.62
  6. Step 6: Final answer
    x = 837.63

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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.