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Finding the Fourth Proportional to 417.50, 576.24 and 240.58

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Solution

The fourth proportional to 417.50, 576.24 and 240.58 is: 332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    417.50 : 576.24 = 240.58 : x
  2. Step 2: Convert to fraction form
    417.50/576.24 = 240.58/x
  3. Step 3: Cross multiply
    417.50x = 576.24 × 240.58
  4. Step 4: Simplify right side
    417.50x = 138,631.64
  5. Step 5: Solve for x
    x = 138,631.64/417.50
  6. Step 6: Final answer
    x = 332.05

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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.