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Finding the Fourth Proportional to 202.83, 304.53 and 130.02

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Solution

The fourth proportional to 202.83, 304.53 and 130.02 is: 195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.83 : 304.53 = 130.02 : x
  2. Step 2: Convert to fraction form
    202.83/304.53 = 130.02/x
  3. Step 3: Cross multiply
    202.83x = 304.53 × 130.02
  4. Step 4: Simplify right side
    202.83x = 39,594.99
  5. Step 5: Solve for x
    x = 39,594.99/202.83
  6. Step 6: Final answer
    x = 195.21

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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.