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Finding the Fourth Proportional to 1,302.00, 1,951.92 and 608.32

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Solution

The fourth proportional to 1,302.00, 1,951.92 and 608.32 is: 911.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.00 : 1,951.92 = 608.32 : x
  2. Step 2: Convert to fraction form
    1,302.00/1,951.92 = 608.32/x
  3. Step 3: Cross multiply
    1,302.00x = 1,951.92 × 608.32
  4. Step 4: Simplify right side
    1,302.00x = 1,187,393.50
  5. Step 5: Solve for x
    x = 1,187,393.50/1,302.00
  6. Step 6: Final answer
    x = 911.98

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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.