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Finding the Fourth Proportional to 593.77, 817.54 and 505.08

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Solution

The fourth proportional to 593.77, 817.54 and 505.08 is: 695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.77 : 817.54 = 505.08 : x
  2. Step 2: Convert to fraction form
    593.77/817.54 = 505.08/x
  3. Step 3: Cross multiply
    593.77x = 817.54 × 505.08
  4. Step 4: Simplify right side
    593.77x = 412,923.10
  5. Step 5: Solve for x
    x = 412,923.10/593.77
  6. Step 6: Final answer
    x = 695.43

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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.