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Finding the Fourth Proportional to 430.34, 593.87 and 243.87

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Solution

The fourth proportional to 430.34, 593.87 and 243.87 is: 336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.34 : 593.87 = 243.87 : x
  2. Step 2: Convert to fraction form
    430.34/593.87 = 243.87/x
  3. Step 3: Cross multiply
    430.34x = 593.87 × 243.87
  4. Step 4: Simplify right side
    430.34x = 144,824.05
  5. Step 5: Solve for x
    x = 144,824.05/430.34
  6. Step 6: Final answer
    x = 336.53

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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.