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Finding the Fourth Proportional to 767.00, 1,058.06 and 471.76

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Solution

The fourth proportional to 767.00, 1,058.06 and 471.76 is: 650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    767.00 : 1,058.06 = 471.76 : x
  2. Step 2: Convert to fraction form
    767.00/1,058.06 = 471.76/x
  3. Step 3: Cross multiply
    767.00x = 1,058.06 × 471.76
  4. Step 4: Simplify right side
    767.00x = 499,148.92
  5. Step 5: Solve for x
    x = 499,148.92/767.00
  6. Step 6: Final answer
    x = 650.78

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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.