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Finding the Fourth Proportional to 696.01, 958.73 and 577.79

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Solution

The fourth proportional to 696.01, 958.73 and 577.79 is: 795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.01 : 958.73 = 577.79 : x
  2. Step 2: Convert to fraction form
    696.01/958.73 = 577.79/x
  3. Step 3: Cross multiply
    696.01x = 958.73 × 577.79
  4. Step 4: Simplify right side
    696.01x = 553,944.61
  5. Step 5: Solve for x
    x = 553,944.61/696.01
  6. Step 6: Final answer
    x = 795.89

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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.