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Finding the Fourth Proportional to 432.10, 596.26 and 284.79

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Solution

The fourth proportional to 432.10, 596.26 and 284.79 is: 392.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.10 : 596.26 = 284.79 : x
  2. Step 2: Convert to fraction form
    432.10/596.26 = 284.79/x
  3. Step 3: Cross multiply
    432.10x = 596.26 × 284.79
  4. Step 4: Simplify right side
    432.10x = 169,808.89
  5. Step 5: Solve for x
    x = 169,808.89/432.10
  6. Step 6: Final answer
    x = 392.99

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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.