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Finding the Fourth Proportional to 432.82, 597.08 and 275.48

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Solution

The fourth proportional to 432.82, 597.08 and 275.48 is: 380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.82 : 597.08 = 275.48 : x
  2. Step 2: Convert to fraction form
    432.82/597.08 = 275.48/x
  3. Step 3: Cross multiply
    432.82x = 597.08 × 275.48
  4. Step 4: Simplify right side
    432.82x = 164,483.60
  5. Step 5: Solve for x
    x = 164,483.60/432.82
  6. Step 6: Final answer
    x = 380.03

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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.