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Finding the Fourth Proportional to 475.03, 653.99 and 369.98

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Solution

The fourth proportional to 475.03, 653.99 and 369.98 is: 509.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.03 : 653.99 = 369.98 : x
  2. Step 2: Convert to fraction form
    475.03/653.99 = 369.98/x
  3. Step 3: Cross multiply
    475.03x = 653.99 × 369.98
  4. Step 4: Simplify right side
    475.03x = 241,963.22
  5. Step 5: Solve for x
    x = 241,963.22/475.03
  6. Step 6: Final answer
    x = 509.36

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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.