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Finding the Fourth Proportional to 433.77, 652.47 and 369.98

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Solution

The fourth proportional to 433.77, 652.47 and 369.98 is: 556.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.77 : 652.47 = 369.98 : x
  2. Step 2: Convert to fraction form
    433.77/652.47 = 369.98/x
  3. Step 3: Cross multiply
    433.77x = 652.47 × 369.98
  4. Step 4: Simplify right side
    433.77x = 241,400.85
  5. Step 5: Solve for x
    x = 241,400.85/433.77
  6. Step 6: Final answer
    x = 556.52

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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.