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Finding the Fourth Proportional to 593.53, 817.85 and 453.65

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Solution

The fourth proportional to 593.53, 817.85 and 453.65 is: 625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.53 : 817.85 = 453.65 : x
  2. Step 2: Convert to fraction form
    593.53/817.85 = 453.65/x
  3. Step 3: Cross multiply
    593.53x = 817.85 × 453.65
  4. Step 4: Simplify right side
    593.53x = 371,016.75
  5. Step 5: Solve for x
    x = 371,016.75/593.53
  6. Step 6: Final answer
    x = 625.10

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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.