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Finding the Fourth Proportional to 434.61, 599.70 and 248.08

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Solution

The fourth proportional to 434.61, 599.70 and 248.08 is: 342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.61 : 599.70 = 248.08 : x
  2. Step 2: Convert to fraction form
    434.61/599.70 = 248.08/x
  3. Step 3: Cross multiply
    434.61x = 599.70 × 248.08
  4. Step 4: Simplify right side
    434.61x = 148,770.58
  5. Step 5: Solve for x
    x = 148,770.58/434.61
  6. Step 6: Final answer
    x = 342.31

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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.