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Finding the Fourth Proportional to 523.77, 780.47 and 466.35

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Solution

The fourth proportional to 523.77, 780.47 and 466.35 is: 694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.77 : 780.47 = 466.35 : x
  2. Step 2: Convert to fraction form
    523.77/780.47 = 466.35/x
  3. Step 3: Cross multiply
    523.77x = 780.47 × 466.35
  4. Step 4: Simplify right side
    523.77x = 363,969.85
  5. Step 5: Solve for x
    x = 363,969.85/523.77
  6. Step 6: Final answer
    x = 694.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.