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Finding the Fourth Proportional to 652.00, 980.05 and 602.79

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Solution

The fourth proportional to 652.00, 980.05 and 602.79 is: 906.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.00 : 980.05 = 602.79 : x
  2. Step 2: Convert to fraction form
    652.00/980.05 = 602.79/x
  3. Step 3: Cross multiply
    652.00x = 980.05 × 602.79
  4. Step 4: Simplify right side
    652.00x = 590,765.80
  5. Step 5: Solve for x
    x = 590,765.80/652.00
  6. Step 6: Final answer
    x = 906.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.