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Finding the Fourth Proportional to 601.09, 901.77 and 276.55

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Solution

The fourth proportional to 601.09, 901.77 and 276.55 is: 414.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.09 : 901.77 = 276.55 : x
  2. Step 2: Convert to fraction form
    601.09/901.77 = 276.55/x
  3. Step 3: Cross multiply
    601.09x = 901.77 × 276.55
  4. Step 4: Simplify right side
    601.09x = 249,384.49
  5. Step 5: Solve for x
    x = 249,384.49/601.09
  6. Step 6: Final answer
    x = 414.89

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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.