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Finding the Fourth Proportional to 432.69, 596.86 and 266.79

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Solution

The fourth proportional to 432.69, 596.86 and 266.79 is: 368.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.69 : 596.86 = 266.79 : x
  2. Step 2: Convert to fraction form
    432.69/596.86 = 266.79/x
  3. Step 3: Cross multiply
    432.69x = 596.86 × 266.79
  4. Step 4: Simplify right side
    432.69x = 159,235.61
  5. Step 5: Solve for x
    x = 159,235.61/432.69
  6. Step 6: Final answer
    x = 368.01

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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.