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Finding the Fourth Proportional to 694, 958.08 and 473.26

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Solution

The fourth proportional to 694, 958.08 and 473.26 is: 653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    694 : 958.08 = 473.26 : x
  2. Step 2: Convert to fraction form
    694/958.08 = 473.26/x
  3. Step 3: Cross multiply
    694x = 958.08 × 473.26
  4. Step 4: Simplify right side
    694x = 453,420.94
  5. Step 5: Solve for x
    x = 453,420.94/694
  6. Step 6: Final answer
    x = 653.34

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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.