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Finding the Fourth Proportional to 593.16, 815.43 and 505.32

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Solution

The fourth proportional to 593.16, 815.43 and 505.32 is: 694.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.16 : 815.43 = 505.32 : x
  2. Step 2: Convert to fraction form
    593.16/815.43 = 505.32/x
  3. Step 3: Cross multiply
    593.16x = 815.43 × 505.32
  4. Step 4: Simplify right side
    593.16x = 412,053.09
  5. Step 5: Solve for x
    x = 412,053.09/593.16
  6. Step 6: Final answer
    x = 694.67

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.