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Finding the Fourth Proportional to 434.06, 599.07 and 247.55

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Solution

The fourth proportional to 434.06, 599.07 and 247.55 is: 341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.06 : 599.07 = 247.55 : x
  2. Step 2: Convert to fraction form
    434.06/599.07 = 247.55/x
  3. Step 3: Cross multiply
    434.06x = 599.07 × 247.55
  4. Step 4: Simplify right side
    434.06x = 148,299.78
  5. Step 5: Solve for x
    x = 148,299.78/434.06
  6. Step 6: Final answer
    x = 341.66

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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.