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Finding the Fourth Proportional to 593.64, 891.08 and 571.78

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Solution

The fourth proportional to 593.64, 891.08 and 571.78 is: 858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.64 : 891.08 = 571.78 : x
  2. Step 2: Convert to fraction form
    593.64/891.08 = 571.78/x
  3. Step 3: Cross multiply
    593.64x = 891.08 × 571.78
  4. Step 4: Simplify right side
    593.64x = 509,501.72
  5. Step 5: Solve for x
    x = 509,501.72/593.64
  6. Step 6: Final answer
    x = 858.27

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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.