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Finding the Fourth Proportional to 650.66, 898.62 and 430.34

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Solution

The fourth proportional to 650.66, 898.62 and 430.34 is: 594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.66 : 898.62 = 430.34 : x
  2. Step 2: Convert to fraction form
    650.66/898.62 = 430.34/x
  3. Step 3: Cross multiply
    650.66x = 898.62 × 430.34
  4. Step 4: Simplify right side
    650.66x = 386,712.13
  5. Step 5: Solve for x
    x = 386,712.13/650.66
  6. Step 6: Final answer
    x = 594.34

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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.