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Finding the Fourth Proportional to 432.10, 596.01 and 266.15

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Solution

The fourth proportional to 432.10, 596.01 and 266.15 is: 367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.10 : 596.01 = 266.15 : x
  2. Step 2: Convert to fraction form
    432.10/596.01 = 266.15/x
  3. Step 3: Cross multiply
    432.10x = 596.01 × 266.15
  4. Step 4: Simplify right side
    432.10x = 158,623.75
  5. Step 5: Solve for x
    x = 158,623.75/432.10
  6. Step 6: Final answer
    x = 367.10

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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.