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Finding the Fourth Proportional to 601.66, 902.17 and 276.75

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Solution

The fourth proportional to 601.66, 902.17 and 276.75 is: 414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.66 : 902.17 = 276.75 : x
  2. Step 2: Convert to fraction form
    601.66/902.17 = 276.75/x
  3. Step 3: Cross multiply
    601.66x = 902.17 × 276.75
  4. Step 4: Simplify right side
    601.66x = 249,675.89
  5. Step 5: Solve for x
    x = 249,675.89/601.66
  6. Step 6: Final answer
    x = 414.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.