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Finding the Fourth Proportional to 601.77, 900.85 and 369.90

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Solution

The fourth proportional to 601.77, 900.85 and 369.90 is: 553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.77 : 900.85 = 369.90 : x
  2. Step 2: Convert to fraction form
    601.77/900.85 = 369.90/x
  3. Step 3: Cross multiply
    601.77x = 900.85 × 369.90
  4. Step 4: Simplify right side
    601.77x = 333,224.42
  5. Step 5: Solve for x
    x = 333,224.42/601.77
  6. Step 6: Final answer
    x = 553.74

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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.