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Finding the Fourth Proportional to 430.31, 593.82 and 233.83

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Solution

The fourth proportional to 430.31, 593.82 and 233.83 is: 322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.31 : 593.82 = 233.83 : x
  2. Step 2: Convert to fraction form
    430.31/593.82 = 233.83/x
  3. Step 3: Cross multiply
    430.31x = 593.82 × 233.83
  4. Step 4: Simplify right side
    430.31x = 138,850.42
  5. Step 5: Solve for x
    x = 138,850.42/430.31
  6. Step 6: Final answer
    x = 322.67

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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.