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Finding the Fourth Proportional to 593.67, 888.66 and 387.81

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Solution

The fourth proportional to 593.67, 888.66 and 387.81 is: 580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.67 : 888.66 = 387.81 : x
  2. Step 2: Convert to fraction form
    593.67/888.66 = 387.81/x
  3. Step 3: Cross multiply
    593.67x = 888.66 × 387.81
  4. Step 4: Simplify right side
    593.67x = 344,631.23
  5. Step 5: Solve for x
    x = 344,631.23/593.67
  6. Step 6: Final answer
    x = 580.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.