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Finding the Fourth Proportional to 430.48, 594.06 and 243.96

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Solution

The fourth proportional to 430.48, 594.06 and 243.96 is: 336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.48 : 594.06 = 243.96 : x
  2. Step 2: Convert to fraction form
    430.48/594.06 = 243.96/x
  3. Step 3: Cross multiply
    430.48x = 594.06 × 243.96
  4. Step 4: Simplify right side
    430.48x = 144,926.88
  5. Step 5: Solve for x
    x = 144,926.88/430.48
  6. Step 6: Final answer
    x = 336.66

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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.